Jonathan Hart | 382623d | 2014-04-03 09:48:11 -0700 | [diff] [blame] | 1 | package net.onrc.onos.apps.bgproute; |
pingping-lin | a2cbfad | 2013-03-07 08:39:21 +0800 | [diff] [blame] | 2 | |
Jonathan Hart | d1f2325 | 2013-06-13 15:17:05 +1200 | [diff] [blame] | 3 | import java.io.File; |
Jonathan Hart | e7e1c6e | 2013-06-04 20:50:23 -0700 | [diff] [blame] | 4 | import java.io.IOException; |
| 5 | import java.net.InetAddress; |
pingping-lin | a2cbfad | 2013-03-07 08:39:21 +0800 | [diff] [blame] | 6 | import java.util.ArrayList; |
Jonathan Hart | 61ba937 | 2013-05-19 20:10:29 -0700 | [diff] [blame] | 7 | import java.util.Collection; |
pingping-lin | a2cbfad | 2013-03-07 08:39:21 +0800 | [diff] [blame] | 8 | import java.util.HashMap; |
Jonathan Hart | e7e1c6e | 2013-06-04 20:50:23 -0700 | [diff] [blame] | 9 | import java.util.List; |
Jonathan Hart | 61ba937 | 2013-05-19 20:10:29 -0700 | [diff] [blame] | 10 | import java.util.Map; |
Jonathan Hart | 4dfc365 | 2013-08-02 20:22:36 +1200 | [diff] [blame] | 11 | import java.util.Set; |
Jonathan Hart | 8b9349e | 2013-07-26 15:55:28 +1200 | [diff] [blame] | 12 | import java.util.concurrent.BlockingQueue; |
| 13 | import java.util.concurrent.ExecutorService; |
Jonathan Hart | 98957bf | 2013-07-01 14:49:24 +1200 | [diff] [blame] | 14 | import java.util.concurrent.Executors; |
Jonathan Hart | 8b9349e | 2013-07-26 15:55:28 +1200 | [diff] [blame] | 15 | import java.util.concurrent.LinkedBlockingQueue; |
Jonathan Hart | 98957bf | 2013-07-01 14:49:24 +1200 | [diff] [blame] | 16 | import java.util.concurrent.ScheduledExecutorService; |
| 17 | import java.util.concurrent.TimeUnit; |
pingping-lin | a2cbfad | 2013-03-07 08:39:21 +0800 | [diff] [blame] | 18 | |
Jonathan Hart | 61ba937 | 2013-05-19 20:10:29 -0700 | [diff] [blame] | 19 | import net.floodlightcontroller.core.IFloodlightProviderService; |
Jonathan Hart | e7e1c6e | 2013-06-04 20:50:23 -0700 | [diff] [blame] | 20 | import net.floodlightcontroller.core.IOFSwitch; |
Jonathan Hart | 64c0b20 | 2013-08-20 15:45:07 +1200 | [diff] [blame] | 21 | import net.floodlightcontroller.core.IOFSwitchListener; |
pingping-lin | a2cbfad | 2013-03-07 08:39:21 +0800 | [diff] [blame] | 22 | import net.floodlightcontroller.core.module.FloodlightModuleContext; |
| 23 | import net.floodlightcontroller.core.module.FloodlightModuleException; |
| 24 | import net.floodlightcontroller.core.module.IFloodlightModule; |
| 25 | import net.floodlightcontroller.core.module.IFloodlightService; |
Jonathan Hart | 98957bf | 2013-07-01 14:49:24 +1200 | [diff] [blame] | 26 | import net.floodlightcontroller.core.util.SingletonTask; |
pingping-lin | a2cbfad | 2013-03-07 08:39:21 +0800 | [diff] [blame] | 27 | import net.floodlightcontroller.restserver.IRestApiService; |
Jonathan Hart | 4dfc365 | 2013-08-02 20:22:36 +1200 | [diff] [blame] | 28 | import net.floodlightcontroller.util.MACAddress; |
Jonathan Hart | 382623d | 2014-04-03 09:48:11 -0700 | [diff] [blame] | 29 | import net.onrc.onos.apps.bgproute.RibUpdate.Operation; |
Jonathan Hart | 0961fe8 | 2014-04-03 09:56:25 -0700 | [diff] [blame] | 30 | import net.onrc.onos.apps.proxyarp.IArpRequester; |
| 31 | import net.onrc.onos.apps.proxyarp.IProxyArpService; |
Jonathan Hart | 23701d1 | 2014-04-03 10:45:48 -0700 | [diff] [blame] | 32 | import net.onrc.onos.core.linkdiscovery.ILinkDiscovery.LDUpdate; |
Jonathan Hart | a99ec67 | 2014-04-03 11:30:34 -0700 | [diff] [blame] | 33 | import net.onrc.onos.core.linkdiscovery.ILinkDiscoveryService; |
Jonathan Hart | 51f6f5b | 2014-04-03 10:32:10 -0700 | [diff] [blame] | 34 | import net.onrc.onos.core.main.config.IConfigInfoService; |
Jonathan Hart | deda0ba | 2014-04-03 11:14:12 -0700 | [diff] [blame] | 35 | import net.onrc.onos.core.packet.Ethernet; |
| 36 | import net.onrc.onos.core.packet.IPv4; |
Jonathan Hart | 23701d1 | 2014-04-03 10:45:48 -0700 | [diff] [blame] | 37 | import net.onrc.onos.core.util.CallerId; |
| 38 | import net.onrc.onos.core.util.DataPath; |
| 39 | import net.onrc.onos.core.util.Dpid; |
| 40 | import net.onrc.onos.core.util.FlowEntryAction; |
| 41 | import net.onrc.onos.core.util.FlowEntryActions; |
| 42 | import net.onrc.onos.core.util.FlowEntryMatch; |
| 43 | import net.onrc.onos.core.util.FlowId; |
| 44 | import net.onrc.onos.core.util.FlowPath; |
| 45 | import net.onrc.onos.core.util.FlowPathFlags; |
| 46 | import net.onrc.onos.core.util.FlowPathType; |
| 47 | import net.onrc.onos.core.util.FlowPathUserState; |
| 48 | import net.onrc.onos.core.util.IPv4Net; |
| 49 | import net.onrc.onos.core.util.Port; |
| 50 | import net.onrc.onos.core.util.SwitchPort; |
pingping-lin | e2a09ca | 2013-03-23 09:33:58 +0800 | [diff] [blame] | 51 | import net.sf.json.JSONArray; |
| 52 | import net.sf.json.JSONObject; |
| 53 | import net.sf.json.JSONSerializer; |
pingping-lin | a2cbfad | 2013-03-07 08:39:21 +0800 | [diff] [blame] | 54 | |
Jonathan Hart | d1f2325 | 2013-06-13 15:17:05 +1200 | [diff] [blame] | 55 | import org.codehaus.jackson.JsonParseException; |
| 56 | import org.codehaus.jackson.map.JsonMappingException; |
| 57 | import org.codehaus.jackson.map.ObjectMapper; |
Jonathan Hart | e7e1c6e | 2013-06-04 20:50:23 -0700 | [diff] [blame] | 58 | import org.openflow.protocol.OFFlowMod; |
| 59 | import org.openflow.protocol.OFMatch; |
Jonathan Hart | e7e1c6e | 2013-06-04 20:50:23 -0700 | [diff] [blame] | 60 | import org.openflow.protocol.OFPacketOut; |
Jonathan Hart | 9575cb6 | 2013-07-05 13:43:49 +1200 | [diff] [blame] | 61 | import org.openflow.protocol.OFPort; |
Jonathan Hart | e7e1c6e | 2013-06-04 20:50:23 -0700 | [diff] [blame] | 62 | import org.openflow.protocol.action.OFAction; |
Jonathan Hart | e7e1c6e | 2013-06-04 20:50:23 -0700 | [diff] [blame] | 63 | import org.openflow.protocol.action.OFActionOutput; |
Jonathan Hart | 1236a9b | 2013-06-18 22:10:05 +1200 | [diff] [blame] | 64 | import org.openflow.util.HexString; |
pingping-lin | a2cbfad | 2013-03-07 08:39:21 +0800 | [diff] [blame] | 65 | import org.slf4j.Logger; |
| 66 | import org.slf4j.LoggerFactory; |
| 67 | |
Jonathan Hart | 4dfc365 | 2013-08-02 20:22:36 +1200 | [diff] [blame] | 68 | import com.google.common.collect.HashMultimap; |
Jonathan Hart | 0ee0f02 | 2013-08-03 22:21:54 +1200 | [diff] [blame] | 69 | import com.google.common.collect.Multimap; |
Jonathan Hart | 4dfc365 | 2013-08-02 20:22:36 +1200 | [diff] [blame] | 70 | import com.google.common.collect.Multimaps; |
| 71 | import com.google.common.collect.SetMultimap; |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 72 | import com.google.common.net.InetAddresses; |
Jonathan Hart | 8b9349e | 2013-07-26 15:55:28 +1200 | [diff] [blame] | 73 | import com.google.common.util.concurrent.ThreadFactoryBuilder; |
| 74 | |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 75 | public class BgpRoute implements IFloodlightModule, IBgpRouteService, |
Jonathan Hart | 02a59e4 | 2014-03-26 18:50:23 -0700 | [diff] [blame] | 76 | IArpRequester, |
Jonathan Hart | 7804bea | 2014-01-07 10:50:52 -0800 | [diff] [blame] | 77 | IOFSwitchListener, IConfigInfoService { |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 78 | |
Yuta HIGUCHI | 6ac8d18 | 2013-10-22 15:24:56 -0700 | [diff] [blame] | 79 | private final static Logger log = LoggerFactory.getLogger(BgpRoute.class); |
pingping-lin | a2cbfad | 2013-03-07 08:39:21 +0800 | [diff] [blame] | 80 | |
Jonathan Hart | f247ee7 | 2013-10-18 18:57:28 -0700 | [diff] [blame] | 81 | private IFloodlightProviderService floodlightProvider; |
Jonathan Hart | f247ee7 | 2013-10-18 18:57:28 -0700 | [diff] [blame] | 82 | private ILinkDiscoveryService linkDiscoveryService; |
| 83 | private IRestApiService restApi; |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 84 | private IProxyArpService proxyArp; |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 85 | |
Jonathan Hart | f247ee7 | 2013-10-18 18:57:28 -0700 | [diff] [blame] | 86 | private IPatriciaTrie<RibEntry> ptree; |
| 87 | private IPatriciaTrie<Interface> interfacePtrie; |
| 88 | private BlockingQueue<RibUpdate> ribUpdates; |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 89 | |
Jonathan Hart | f247ee7 | 2013-10-18 18:57:28 -0700 | [diff] [blame] | 90 | private String bgpdRestIp; |
| 91 | private String routerId; |
| 92 | private String configFilename = "config.json"; |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 93 | |
Jonathan Hart | e7e1c6e | 2013-06-04 20:50:23 -0700 | [diff] [blame] | 94 | //We need to identify our flows somehow. But like it says in LearningSwitch.java, |
| 95 | //the controller/OS should hand out cookie IDs to prevent conflicts. |
Jonathan Hart | f247ee7 | 2013-10-18 18:57:28 -0700 | [diff] [blame] | 96 | private final long APP_COOKIE = 0xa0000000000000L; |
Jonathan Hart | e7e1c6e | 2013-06-04 20:50:23 -0700 | [diff] [blame] | 97 | //Cookie for flows that do L2 forwarding within SDN domain to egress routers |
Jonathan Hart | f247ee7 | 2013-10-18 18:57:28 -0700 | [diff] [blame] | 98 | private final long L2_FWD_COOKIE = APP_COOKIE + 1; |
Jonathan Hart | e7e1c6e | 2013-06-04 20:50:23 -0700 | [diff] [blame] | 99 | //Cookie for flows in ingress switches that rewrite the MAC address |
Jonathan Hart | f247ee7 | 2013-10-18 18:57:28 -0700 | [diff] [blame] | 100 | private final long MAC_RW_COOKIE = APP_COOKIE + 2; |
Jonathan Hart | 832a7cb | 2013-06-24 11:25:35 +1200 | [diff] [blame] | 101 | //Cookie for flows that setup BGP paths |
Jonathan Hart | f247ee7 | 2013-10-18 18:57:28 -0700 | [diff] [blame] | 102 | private final long BGP_COOKIE = APP_COOKIE + 3; |
Jonathan Hart | 50a8d1e | 2013-06-06 16:00:47 +1200 | [diff] [blame] | 103 | //Forwarding uses priority 0, and the mac rewrite entries in ingress switches |
| 104 | //need to be higher priority than this otherwise the rewrite may not get done |
Jonathan Hart | f247ee7 | 2013-10-18 18:57:28 -0700 | [diff] [blame] | 105 | private final short SDNIP_PRIORITY = 10; |
| 106 | private final short ARP_PRIORITY = 20; |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 107 | |
Jonathan Hart | f247ee7 | 2013-10-18 18:57:28 -0700 | [diff] [blame] | 108 | private final short BGP_PORT = 179; |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 109 | |
Jonathan Hart | f247ee7 | 2013-10-18 18:57:28 -0700 | [diff] [blame] | 110 | private final int TOPO_DETECTION_WAIT = 2; //seconds |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 111 | |
Jonathan Hart | 832a7cb | 2013-06-24 11:25:35 +1200 | [diff] [blame] | 112 | //Configuration stuff |
Jonathan Hart | f247ee7 | 2013-10-18 18:57:28 -0700 | [diff] [blame] | 113 | private List<String> switches; |
| 114 | private Map<String, Interface> interfaces; |
| 115 | private Map<InetAddress, BgpPeer> bgpPeers; |
| 116 | private SwitchPort bgpdAttachmentPoint; |
| 117 | private MACAddress bgpdMacAddress; |
Jonathan Hart | 1cf9de0 | 2013-10-21 17:42:29 -0700 | [diff] [blame] | 118 | private short vlan; |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 119 | |
Jonathan Hart | 1236a9b | 2013-06-18 22:10:05 +1200 | [diff] [blame] | 120 | //True when all switches have connected |
Jonathan Hart | f247ee7 | 2013-10-18 18:57:28 -0700 | [diff] [blame] | 121 | private volatile boolean switchesConnected = false; |
Jonathan Hart | 1236a9b | 2013-06-18 22:10:05 +1200 | [diff] [blame] | 122 | //True when we have a full mesh of shortest paths between gateways |
Jonathan Hart | f247ee7 | 2013-10-18 18:57:28 -0700 | [diff] [blame] | 123 | private volatile boolean topologyReady = false; |
Jonathan Hart | 98957bf | 2013-07-01 14:49:24 +1200 | [diff] [blame] | 124 | |
Jonathan Hart | f247ee7 | 2013-10-18 18:57:28 -0700 | [diff] [blame] | 125 | private ArrayList<LDUpdate> linkUpdates; |
| 126 | private SingletonTask topologyChangeDetectorTask; |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 127 | |
Jonathan Hart | f247ee7 | 2013-10-18 18:57:28 -0700 | [diff] [blame] | 128 | private SetMultimap<InetAddress, RibUpdate> prefixesWaitingOnArp; |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 129 | |
Jonathan Hart | f247ee7 | 2013-10-18 18:57:28 -0700 | [diff] [blame] | 130 | private Map<InetAddress, Path> pathsWaitingOnArp; |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 131 | |
Jonathan Hart | f247ee7 | 2013-10-18 18:57:28 -0700 | [diff] [blame] | 132 | private ExecutorService bgpUpdatesExecutor; |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 133 | |
Jonathan Hart | f247ee7 | 2013-10-18 18:57:28 -0700 | [diff] [blame] | 134 | private Map<InetAddress, Path> pushedPaths; |
| 135 | private Map<Prefix, Path> prefixToPath; |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 136 | // private Multimap<Prefix, PushedFlowMod> pushedFlows; |
| 137 | private Multimap<Prefix, FlowId> pushedFlowIds; |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 138 | |
Jonathan Hart | 1912afc | 2013-10-11 12:02:44 +1300 | [diff] [blame] | 139 | private FlowCache flowCache; |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 140 | |
Pavlin Radoslavov | 1237e39 | 2014-03-20 16:24:06 -0700 | [diff] [blame] | 141 | // TODO: Fix for the new Topology Network Graph |
| 142 | // private volatile Topology topology = null; |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 143 | |
Jonathan Hart | f247ee7 | 2013-10-18 18:57:28 -0700 | [diff] [blame] | 144 | private class TopologyChangeDetector implements Runnable { |
Jonathan Hart | 98957bf | 2013-07-01 14:49:24 +1200 | [diff] [blame] | 145 | @Override |
| 146 | public void run() { |
| 147 | log.debug("Running topology change detection task"); |
| 148 | synchronized (linkUpdates) { |
Jonathan Hart | c824ad0 | 2013-07-03 15:58:45 +1200 | [diff] [blame] | 149 | //This is the model the REST API uses to retrieve network graph info |
Pavlin Radoslavov | 5fe7188 | 2014-03-21 16:27:21 -0700 | [diff] [blame] | 150 | // TODO: Fix the code below after topoLinkService was removed |
| 151 | /* |
Jonathan Hart | 98957bf | 2013-07-01 14:49:24 +1200 | [diff] [blame] | 152 | ITopoLinkService topoLinkService = new TopoLinkServiceImpl(); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 153 | |
Jonathan Hart | 98957bf | 2013-07-01 14:49:24 +1200 | [diff] [blame] | 154 | List<Link> activeLinks = topoLinkService.getActiveLinks(); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 155 | |
Jonathan Hart | 98957bf | 2013-07-01 14:49:24 +1200 | [diff] [blame] | 156 | Iterator<LDUpdate> it = linkUpdates.iterator(); |
| 157 | while (it.hasNext()){ |
| 158 | LDUpdate ldu = it.next(); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 159 | Link l = new Link(ldu.getSrc(), ldu.getSrcPort(), |
Jonathan Hart | 98957bf | 2013-07-01 14:49:24 +1200 | [diff] [blame] | 160 | ldu.getDst(), ldu.getDstPort()); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 161 | |
Jonathan Hart | 98957bf | 2013-07-01 14:49:24 +1200 | [diff] [blame] | 162 | if (activeLinks.contains(l)){ |
Jonathan Hart | 98957bf | 2013-07-01 14:49:24 +1200 | [diff] [blame] | 163 | it.remove(); |
| 164 | } |
| 165 | } |
Pavlin Radoslavov | 5fe7188 | 2014-03-21 16:27:21 -0700 | [diff] [blame] | 166 | */ |
Jonathan Hart | 98957bf | 2013-07-01 14:49:24 +1200 | [diff] [blame] | 167 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 168 | |
Jonathan Hart | 64c0b20 | 2013-08-20 15:45:07 +1200 | [diff] [blame] | 169 | if (!topologyReady) { |
| 170 | if (linkUpdates.isEmpty()){ |
| 171 | //All updates have been seen in network map. |
| 172 | //We can check if topology is ready |
| 173 | log.debug("No known changes outstanding. Checking topology now"); |
| 174 | checkStatus(); |
| 175 | } |
| 176 | else { |
| 177 | //We know of some link updates that haven't propagated to the database yet |
| 178 | log.debug("Some changes not found in network map - {} links missing", linkUpdates.size()); |
| 179 | topologyChangeDetectorTask.reschedule(TOPO_DETECTION_WAIT, TimeUnit.SECONDS); |
| 180 | } |
Jonathan Hart | 98957bf | 2013-07-01 14:49:24 +1200 | [diff] [blame] | 181 | } |
| 182 | } |
| 183 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 184 | |
Jonathan Hart | 1cf9de0 | 2013-10-21 17:42:29 -0700 | [diff] [blame] | 185 | private void readConfiguration(String configFilename){ |
| 186 | File gatewaysFile = new File(configFilename); |
Jonathan Hart | d1f2325 | 2013-06-13 15:17:05 +1200 | [diff] [blame] | 187 | ObjectMapper mapper = new ObjectMapper(); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 188 | |
Jonathan Hart | d1f2325 | 2013-06-13 15:17:05 +1200 | [diff] [blame] | 189 | try { |
Jonathan Hart | 1236a9b | 2013-06-18 22:10:05 +1200 | [diff] [blame] | 190 | Configuration config = mapper.readValue(gatewaysFile, Configuration.class); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 191 | |
Jonathan Hart | 1236a9b | 2013-06-18 22:10:05 +1200 | [diff] [blame] | 192 | switches = config.getSwitches(); |
Jonathan Hart | 9575cb6 | 2013-07-05 13:43:49 +1200 | [diff] [blame] | 193 | interfaces = new HashMap<String, Interface>(); |
| 194 | for (Interface intf : config.getInterfaces()){ |
| 195 | interfaces.put(intf.getName(), intf); |
| 196 | } |
Jonathan Hart | c824ad0 | 2013-07-03 15:58:45 +1200 | [diff] [blame] | 197 | bgpPeers = new HashMap<InetAddress, BgpPeer>(); |
| 198 | for (BgpPeer peer : config.getPeers()){ |
| 199 | bgpPeers.put(peer.getIpAddress(), peer); |
| 200 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 201 | |
Jonathan Hart | 832a7cb | 2013-06-24 11:25:35 +1200 | [diff] [blame] | 202 | bgpdAttachmentPoint = new SwitchPort( |
| 203 | new Dpid(config.getBgpdAttachmentDpid()), |
| 204 | new Port(config.getBgpdAttachmentPort())); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 205 | |
Jonathan Hart | 2f790d2 | 2013-08-15 14:01:24 +1200 | [diff] [blame] | 206 | bgpdMacAddress = config.getBgpdMacAddress(); |
Jonathan Hart | 1cf9de0 | 2013-10-21 17:42:29 -0700 | [diff] [blame] | 207 | vlan = config.getVlan(); |
Jonathan Hart | d1f2325 | 2013-06-13 15:17:05 +1200 | [diff] [blame] | 208 | } catch (JsonParseException e) { |
| 209 | log.error("Error in JSON file", e); |
| 210 | System.exit(1); |
| 211 | } catch (JsonMappingException e) { |
| 212 | log.error("Error in JSON file", e); |
| 213 | System.exit(1); |
| 214 | } catch (IOException e) { |
| 215 | log.error("Error reading JSON file", e); |
| 216 | System.exit(1); |
| 217 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 218 | |
Jonathan Hart | abf1022 | 2013-08-13 10:19:34 +1200 | [diff] [blame] | 219 | //Populate the interface Patricia Trie |
| 220 | for (Interface intf : interfaces.values()) { |
| 221 | Prefix prefix = new Prefix(intf.getIpAddress().getAddress(), intf.getPrefixLength()); |
| 222 | interfacePtrie.put(prefix, intf); |
| 223 | } |
Jonathan Hart | e7e1c6e | 2013-06-04 20:50:23 -0700 | [diff] [blame] | 224 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 225 | |
pingping-lin | a2cbfad | 2013-03-07 08:39:21 +0800 | [diff] [blame] | 226 | @Override |
| 227 | public Collection<Class<? extends IFloodlightService>> getModuleServices() { |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 228 | Collection<Class<? extends IFloodlightService>> l |
Jonathan Hart | 61ba937 | 2013-05-19 20:10:29 -0700 | [diff] [blame] | 229 | = new ArrayList<Class<? extends IFloodlightService>>(); |
pingping-lin | a2cbfad | 2013-03-07 08:39:21 +0800 | [diff] [blame] | 230 | l.add(IBgpRouteService.class); |
Jonathan Hart | a888764 | 2013-10-28 13:46:54 -0700 | [diff] [blame] | 231 | l.add(IConfigInfoService.class); |
pingping-lin | a2cbfad | 2013-03-07 08:39:21 +0800 | [diff] [blame] | 232 | return l; |
| 233 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 234 | |
pingping-lin | a2cbfad | 2013-03-07 08:39:21 +0800 | [diff] [blame] | 235 | @Override |
| 236 | public Map<Class<? extends IFloodlightService>, IFloodlightService> getServiceImpls() { |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 237 | Map<Class<? extends IFloodlightService>, IFloodlightService> m |
Jonathan Hart | 61ba937 | 2013-05-19 20:10:29 -0700 | [diff] [blame] | 238 | = new HashMap<Class<? extends IFloodlightService>, IFloodlightService>(); |
pingping-lin | e2a09ca | 2013-03-23 09:33:58 +0800 | [diff] [blame] | 239 | m.put(IBgpRouteService.class, this); |
Jonathan Hart | a888764 | 2013-10-28 13:46:54 -0700 | [diff] [blame] | 240 | m.put(IConfigInfoService.class, this); |
pingping-lin | a2cbfad | 2013-03-07 08:39:21 +0800 | [diff] [blame] | 241 | return m; |
| 242 | } |
| 243 | |
pingping-lin | a2cbfad | 2013-03-07 08:39:21 +0800 | [diff] [blame] | 244 | @Override |
| 245 | public Collection<Class<? extends IFloodlightService>> getModuleDependencies() { |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 246 | Collection<Class<? extends IFloodlightService>> l |
Jonathan Hart | 61ba937 | 2013-05-19 20:10:29 -0700 | [diff] [blame] | 247 | = new ArrayList<Class<? extends IFloodlightService>>(); |
pingping-lin | a2cbfad | 2013-03-07 08:39:21 +0800 | [diff] [blame] | 248 | l.add(IFloodlightProviderService.class); |
Jonathan Hart | e7e1c6e | 2013-06-04 20:50:23 -0700 | [diff] [blame] | 249 | l.add(IRestApiService.class); |
pingping-lin | a2cbfad | 2013-03-07 08:39:21 +0800 | [diff] [blame] | 250 | return l; |
| 251 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 252 | |
pingping-lin | a2cbfad | 2013-03-07 08:39:21 +0800 | [diff] [blame] | 253 | @Override |
| 254 | public void init(FloodlightModuleContext context) |
| 255 | throws FloodlightModuleException { |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 256 | |
Jonathan Hart | 29b972d | 2013-08-12 23:43:51 +1200 | [diff] [blame] | 257 | ptree = new PatriciaTrie<RibEntry>(32); |
Jonathan Hart | abf1022 | 2013-08-13 10:19:34 +1200 | [diff] [blame] | 258 | interfacePtrie = new PatriciaTrie<Interface>(32); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 259 | |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 260 | ribUpdates = new LinkedBlockingQueue<RibUpdate>(); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 261 | |
pingping-lin | a2cbfad | 2013-03-07 08:39:21 +0800 | [diff] [blame] | 262 | // Register floodlight provider and REST handler. |
| 263 | floodlightProvider = context.getServiceImpl(IFloodlightProviderService.class); |
Jonathan Hart | e769453 | 2013-09-12 12:34:46 +1200 | [diff] [blame] | 264 | linkDiscoveryService = context.getServiceImpl(ILinkDiscoveryService.class); |
Jonathan Hart | c7ca35d | 2013-06-25 20:54:25 +1200 | [diff] [blame] | 265 | restApi = context.getServiceImpl(IRestApiService.class); |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 266 | proxyArp = context.getServiceImpl(IProxyArpService.class); |
| 267 | |
Jonathan Hart | 98957bf | 2013-07-01 14:49:24 +1200 | [diff] [blame] | 268 | linkUpdates = new ArrayList<LDUpdate>(); |
| 269 | ScheduledExecutorService executor = Executors.newScheduledThreadPool(1); |
| 270 | topologyChangeDetectorTask = new SingletonTask(executor, new TopologyChangeDetector()); |
Pavlin Radoslavov | ddd01ba | 2013-07-03 15:40:44 -0700 | [diff] [blame] | 271 | |
Jonathan Hart | a23ffdb | 2013-08-14 14:36:54 +1200 | [diff] [blame] | 272 | pathsWaitingOnArp = new HashMap<InetAddress, Path>(); |
Jonathan Hart | 4dfc365 | 2013-08-02 20:22:36 +1200 | [diff] [blame] | 273 | prefixesWaitingOnArp = Multimaps.synchronizedSetMultimap( |
| 274 | HashMultimap.<InetAddress, RibUpdate>create()); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 275 | |
Jonathan Hart | a23ffdb | 2013-08-14 14:36:54 +1200 | [diff] [blame] | 276 | pushedPaths = new HashMap<InetAddress, Path>(); |
| 277 | prefixToPath = new HashMap<Prefix, Path>(); |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 278 | // pushedFlows = HashMultimap.<Prefix, PushedFlowMod>create(); |
| 279 | pushedFlowIds = HashMultimap.<Prefix, FlowId>create(); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 280 | |
Jonathan Hart | 1912afc | 2013-10-11 12:02:44 +1300 | [diff] [blame] | 281 | flowCache = new FlowCache(floodlightProvider); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 282 | |
Jonathan Hart | 0a46fe4 | 2013-08-10 17:08:47 +1200 | [diff] [blame] | 283 | bgpUpdatesExecutor = Executors.newSingleThreadExecutor( |
| 284 | new ThreadFactoryBuilder().setNameFormat("bgp-updates-%d").build()); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 285 | |
Jonathan Hart | 61ba937 | 2013-05-19 20:10:29 -0700 | [diff] [blame] | 286 | //Read in config values |
| 287 | bgpdRestIp = context.getConfigParams(this).get("BgpdRestIp"); |
| 288 | if (bgpdRestIp == null){ |
| 289 | log.error("BgpdRestIp property not found in config file"); |
| 290 | System.exit(1); |
| 291 | } |
| 292 | else { |
| 293 | log.info("BgpdRestIp set to {}", bgpdRestIp); |
| 294 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 295 | |
Jonathan Hart | 61ba937 | 2013-05-19 20:10:29 -0700 | [diff] [blame] | 296 | routerId = context.getConfigParams(this).get("RouterId"); |
| 297 | if (routerId == null){ |
| 298 | log.error("RouterId property not found in config file"); |
| 299 | System.exit(1); |
| 300 | } |
| 301 | else { |
| 302 | log.info("RouterId set to {}", routerId); |
| 303 | } |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 304 | |
Jonathan Hart | 9575cb6 | 2013-07-05 13:43:49 +1200 | [diff] [blame] | 305 | String configFilenameParameter = context.getConfigParams(this).get("configfile"); |
| 306 | if (configFilenameParameter != null){ |
| 307 | configFilename = configFilenameParameter; |
| 308 | } |
| 309 | log.debug("Config file set to {}", configFilename); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 310 | |
Jonathan Hart | 1cf9de0 | 2013-10-21 17:42:29 -0700 | [diff] [blame] | 311 | readConfiguration(configFilename); |
Jonathan Hart | a23ffdb | 2013-08-14 14:36:54 +1200 | [diff] [blame] | 312 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 313 | |
Jonathan Hart | a23ffdb | 2013-08-14 14:36:54 +1200 | [diff] [blame] | 314 | @Override |
| 315 | public void startUp(FloodlightModuleContext context) { |
| 316 | restApi.addRestletRoutable(new BgpRouteWebRoutable()); |
Jonathan Hart | 64c0b20 | 2013-08-20 15:45:07 +1200 | [diff] [blame] | 317 | floodlightProvider.addOFSwitchListener(this); |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 318 | |
Jonathan Hart | a23ffdb | 2013-08-14 14:36:54 +1200 | [diff] [blame] | 319 | //Retrieve the RIB from BGPd during startup |
| 320 | retrieveRib(); |
pingping-lin | a2cbfad | 2013-03-07 08:39:21 +0800 | [diff] [blame] | 321 | } |
| 322 | |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 323 | @Override |
Jonathan Hart | 29b972d | 2013-08-12 23:43:51 +1200 | [diff] [blame] | 324 | public IPatriciaTrie<RibEntry> getPtree() { |
pingping-lin | a2cbfad | 2013-03-07 08:39:21 +0800 | [diff] [blame] | 325 | return ptree; |
| 326 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 327 | |
| 328 | @Override |
Jonathan Hart | 61ba937 | 2013-05-19 20:10:29 -0700 | [diff] [blame] | 329 | public void clearPtree() { |
Jonathan Hart | 29b972d | 2013-08-12 23:43:51 +1200 | [diff] [blame] | 330 | ptree = new PatriciaTrie<RibEntry>(32); |
pingping-lin | e2a09ca | 2013-03-23 09:33:58 +0800 | [diff] [blame] | 331 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 332 | |
| 333 | @Override |
pingping-lin | e2a09ca | 2013-03-23 09:33:58 +0800 | [diff] [blame] | 334 | public String getBGPdRestIp() { |
Jonathan Hart | 61ba937 | 2013-05-19 20:10:29 -0700 | [diff] [blame] | 335 | return bgpdRestIp; |
pingping-lin | e2a09ca | 2013-03-23 09:33:58 +0800 | [diff] [blame] | 336 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 337 | |
| 338 | @Override |
pingping-lin | e2a09ca | 2013-03-23 09:33:58 +0800 | [diff] [blame] | 339 | public String getRouterId() { |
Jonathan Hart | 61ba937 | 2013-05-19 20:10:29 -0700 | [diff] [blame] | 340 | return routerId; |
pingping-lin | e2a09ca | 2013-03-23 09:33:58 +0800 | [diff] [blame] | 341 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 342 | |
Jonathan Hart | 61ba937 | 2013-05-19 20:10:29 -0700 | [diff] [blame] | 343 | private void retrieveRib(){ |
| 344 | String url = "http://" + bgpdRestIp + "/wm/bgp/" + routerId; |
| 345 | String response = RestClient.get(url); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 346 | |
Jonathan Hart | 61ba937 | 2013-05-19 20:10:29 -0700 | [diff] [blame] | 347 | if (response.equals("")){ |
| 348 | return; |
| 349 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 350 | |
Jonathan Hart | 61ba937 | 2013-05-19 20:10:29 -0700 | [diff] [blame] | 351 | response = response.replaceAll("\"", "'"); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 352 | JSONObject jsonObj = (JSONObject) JSONSerializer.toJSON(response); |
Jonathan Hart | 61ba937 | 2013-05-19 20:10:29 -0700 | [diff] [blame] | 353 | JSONArray rib_json_array = jsonObj.getJSONArray("rib"); |
| 354 | String router_id = jsonObj.getString("router-id"); |
| 355 | |
| 356 | int size = rib_json_array.size(); |
| 357 | |
| 358 | log.info("Retrived RIB of {} entries from BGPd", size); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 359 | |
Jonathan Hart | 61ba937 | 2013-05-19 20:10:29 -0700 | [diff] [blame] | 360 | for (int j = 0; j < size; j++) { |
| 361 | JSONObject second_json_object = rib_json_array.getJSONObject(j); |
| 362 | String prefix = second_json_object.getString("prefix"); |
| 363 | String nexthop = second_json_object.getString("nexthop"); |
| 364 | |
| 365 | //insert each rib entry into the local rib; |
| 366 | String[] substring = prefix.split("/"); |
| 367 | String prefix1 = substring[0]; |
| 368 | String mask1 = substring[1]; |
| 369 | |
| 370 | Prefix p; |
| 371 | try { |
| 372 | p = new Prefix(prefix1, Integer.valueOf(mask1)); |
| 373 | } catch (NumberFormatException e) { |
| 374 | log.warn("Wrong mask format in RIB JSON: {}", mask1); |
| 375 | continue; |
Jonathan Hart | 32e1822 | 2013-08-07 22:05:42 +1200 | [diff] [blame] | 376 | } catch (IllegalArgumentException e1) { |
Jonathan Hart | 61ba937 | 2013-05-19 20:10:29 -0700 | [diff] [blame] | 377 | log.warn("Wrong prefix format in RIB JSON: {}", prefix1); |
| 378 | continue; |
| 379 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 380 | |
Jonathan Hart | b39a67d | 2013-08-10 23:59:50 +1200 | [diff] [blame] | 381 | RibEntry rib = new RibEntry(router_id, nexthop); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 382 | |
Jonathan Hart | 0a46fe4 | 2013-08-10 17:08:47 +1200 | [diff] [blame] | 383 | try { |
| 384 | ribUpdates.put(new RibUpdate(Operation.UPDATE, p, rib)); |
| 385 | } catch (InterruptedException e) { |
| 386 | log.debug("Interrupted while pushing onto update queue"); |
| 387 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 388 | } |
Jonathan Hart | 61ba937 | 2013-05-19 20:10:29 -0700 | [diff] [blame] | 389 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 390 | |
Jonathan Hart | 8b9349e | 2013-07-26 15:55:28 +1200 | [diff] [blame] | 391 | @Override |
| 392 | public void newRibUpdate(RibUpdate update) { |
Jonathan Hart | 9ea3121 | 2013-08-12 21:40:34 +1200 | [diff] [blame] | 393 | try { |
| 394 | ribUpdates.put(update); |
| 395 | } catch (InterruptedException e) { |
Jonathan Hart | a23ffdb | 2013-08-14 14:36:54 +1200 | [diff] [blame] | 396 | log.debug("Interrupted while putting on ribUpdates queue", e); |
| 397 | Thread.currentThread().interrupt(); |
Jonathan Hart | 9ea3121 | 2013-08-12 21:40:34 +1200 | [diff] [blame] | 398 | } |
Jonathan Hart | 8b9349e | 2013-07-26 15:55:28 +1200 | [diff] [blame] | 399 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 400 | |
Jonathan Hart | 0a46fe4 | 2013-08-10 17:08:47 +1200 | [diff] [blame] | 401 | public synchronized void processRibAdd(RibUpdate update) { |
Jonathan Hart | 8b9349e | 2013-07-26 15:55:28 +1200 | [diff] [blame] | 402 | Prefix prefix = update.getPrefix(); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 403 | |
Jonathan Hart | 9ea3121 | 2013-08-12 21:40:34 +1200 | [diff] [blame] | 404 | log.debug("Processing prefix add {}", prefix); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 405 | |
Jonathan Hart | b39a67d | 2013-08-10 23:59:50 +1200 | [diff] [blame] | 406 | RibEntry rib = ptree.put(prefix, update.getRibEntry()); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 407 | |
Jonathan Hart | 0a46fe4 | 2013-08-10 17:08:47 +1200 | [diff] [blame] | 408 | if (rib != null && !rib.equals(update.getRibEntry())) { |
Jonathan Hart | 2f74078 | 2013-08-04 00:49:21 +1200 | [diff] [blame] | 409 | //There was an existing nexthop for this prefix. This update supersedes that, |
| 410 | //so we need to remove the old flows for this prefix from the switches |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 411 | _processDeletePrefix(prefix, rib); |
Jonathan Hart | 8b9349e | 2013-07-26 15:55:28 +1200 | [diff] [blame] | 412 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 413 | |
Jonathan Hart | a23ffdb | 2013-08-14 14:36:54 +1200 | [diff] [blame] | 414 | if (update.getRibEntry().getNextHop().equals( |
| 415 | InetAddresses.forString("0.0.0.0"))) { |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 416 | //Route originated by SDN domain |
| 417 | //We don't handle these at the moment |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 418 | log.debug("Own route {} to {}", prefix, |
Jonathan Hart | a23ffdb | 2013-08-14 14:36:54 +1200 | [diff] [blame] | 419 | update.getRibEntry().getNextHop().getHostAddress()); |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 420 | return; |
| 421 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 422 | |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 423 | _processRibAdd(update); |
Jonathan Hart | 8b9349e | 2013-07-26 15:55:28 +1200 | [diff] [blame] | 424 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 425 | |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 426 | private void _processRibAdd(RibUpdate update) { |
| 427 | Prefix prefix = update.getPrefix(); |
| 428 | RibEntry rib = update.getRibEntry(); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 429 | |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 430 | InetAddress dstIpAddress = rib.getNextHop(); |
Pavlin Radoslavov | 5fe7188 | 2014-03-21 16:27:21 -0700 | [diff] [blame] | 431 | MACAddress nextHopMacAddress = null; |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 432 | |
| 433 | // See if we know the MAC address of the next hop |
| 434 | // TODO if we do not treat the next hop as a device in the future, we need to update this |
Pavlin Radoslavov | 5fe7188 | 2014-03-21 16:27:21 -0700 | [diff] [blame] | 435 | // TODO: Fix the code below after deviceStorage was removed |
| 436 | /* |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 437 | IDeviceObject nextHopDevice = |
| 438 | deviceStorage.getDeviceByIP(InetAddresses.coerceToInteger(dstIpAddress)); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 439 | |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 440 | if (nextHopDevice == null){ |
| 441 | log.debug("NextHopDevice for IP: {} is null", dstIpAddress); |
| 442 | prefixesWaitingOnArp.put(dstIpAddress, |
| 443 | new RibUpdate(Operation.UPDATE, prefix, rib)); |
| 444 | proxyArp.sendArpRequest(dstIpAddress, this, true); |
| 445 | return; |
| 446 | |
| 447 | } |
| 448 | nextHopMacAddress = MACAddress.valueOf(nextHopDevice.getMACAddress()); |
Pavlin Radoslavov | 5fe7188 | 2014-03-21 16:27:21 -0700 | [diff] [blame] | 449 | */ |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 450 | |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 451 | // Find the attachment point (egress interface) of the next hop |
Jonathan Hart | a23ffdb | 2013-08-14 14:36:54 +1200 | [diff] [blame] | 452 | Interface egressInterface = null; |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 453 | if (bgpPeers.containsKey(dstIpAddress)) { |
| 454 | //Route to a peer |
| 455 | log.debug("Route to peer {}", dstIpAddress); |
| 456 | BgpPeer peer = bgpPeers.get(dstIpAddress); |
| 457 | egressInterface = interfaces.get(peer.getInterfaceName()); |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 458 | } |
| 459 | else { |
Jonathan Hart | a23ffdb | 2013-08-14 14:36:54 +1200 | [diff] [blame] | 460 | //Route to non-peer |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 461 | log.debug("Route to non-peer {}", dstIpAddress); |
| 462 | egressInterface = interfacePtrie.match( |
| 463 | new Prefix(dstIpAddress.getAddress(), 32)); |
| 464 | if (egressInterface == null) { |
| 465 | log.warn("No outgoing interface found for {}", dstIpAddress.getHostAddress()); |
| 466 | return; |
| 467 | } |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 468 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 469 | |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 470 | if (nextHopMacAddress == null) { |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 471 | prefixesWaitingOnArp.put(dstIpAddress, |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 472 | new RibUpdate(Operation.UPDATE, prefix, rib)); |
| 473 | proxyArp.sendArpRequest(dstIpAddress, this, true); |
| 474 | return; |
| 475 | } |
| 476 | else { |
| 477 | if (!bgpPeers.containsKey(dstIpAddress)) { |
Jonathan Hart | a23ffdb | 2013-08-14 14:36:54 +1200 | [diff] [blame] | 478 | //If the prefix is for a non-peer we need to ensure there's a path, |
| 479 | //and push one if there isn't. |
| 480 | Path path = pushedPaths.get(dstIpAddress); |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 481 | if (path == null) { |
Jonathan Hart | a23ffdb | 2013-08-14 14:36:54 +1200 | [diff] [blame] | 482 | path = new Path(egressInterface, dstIpAddress); |
Jonathan Hart | abad6a5 | 2013-09-30 18:17:21 +1300 | [diff] [blame] | 483 | calculateAndPushPath(path, nextHopMacAddress); |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 484 | pushedPaths.put(dstIpAddress, path); |
| 485 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 486 | |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 487 | path.incrementUsers(); |
| 488 | prefixToPath.put(prefix, path); |
| 489 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 490 | |
Jonathan Hart | a23ffdb | 2013-08-14 14:36:54 +1200 | [diff] [blame] | 491 | //For all prefixes we need to add the first-hop mac-rewriting flows |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 492 | addPrefixFlows(prefix, egressInterface, nextHopMacAddress); |
| 493 | } |
| 494 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 495 | |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 496 | /** |
| 497 | * Add a flow to match dst-IP prefix and rewrite MAC for one IP prefix |
| 498 | * to all other border switches |
| 499 | */ |
| 500 | private void addPrefixFlows(Prefix prefix, Interface egressInterface, |
| 501 | MACAddress nextHopMacAddress) { |
Jonathan Hart | e4c9869 | 2013-10-18 17:40:03 -0700 | [diff] [blame] | 502 | log.debug("Adding flows for prefix {}, next hop mac {}", |
Jonathan Hart | abad6a5 | 2013-09-30 18:17:21 +1300 | [diff] [blame] | 503 | prefix, nextHopMacAddress); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 504 | |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 505 | FlowPath flowPath = new FlowPath(); |
| 506 | flowPath.setInstallerId(new CallerId("SDNIP")); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 507 | |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 508 | // Set flowPath FlowPathType and FlowPathUserState |
| 509 | flowPath.setFlowPathType(FlowPathType.FP_TYPE_SHORTEST_PATH); |
| 510 | flowPath.setFlowPathUserState(FlowPathUserState.FP_USER_ADD); |
| 511 | |
| 512 | // Insert dst-ip prefix based forwarding and MAC rewrite flow entry |
| 513 | // only to the first-host switches |
| 514 | FlowPathFlags flowPathFlags = new FlowPathFlags(); |
| 515 | flowPathFlags.setFlags(FlowPathFlags.KEEP_ONLY_FIRST_HOP_ENTRY); |
| 516 | flowPath.setFlowPathFlags(flowPathFlags); |
| 517 | |
| 518 | // Create the DataPath object: dstSwitchPort |
| 519 | SwitchPort dstPort = new SwitchPort(); |
| 520 | dstPort.setDpid(new Dpid(egressInterface.getDpid())); |
| 521 | dstPort.setPort(new Port(egressInterface.getPort())); |
| 522 | |
| 523 | // We only need one flow mod per switch, so pick one interface on each switch |
Jonathan Hart | d5f2e95 | 2013-09-13 16:31:23 +1200 | [diff] [blame] | 524 | Map<Long, Interface> srcInterfaces = new HashMap<Long, Interface>(); |
| 525 | for (Interface intf : interfaces.values()) { |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 526 | if (!srcInterfaces.containsKey(intf.getDpid()) |
Jonathan Hart | 4510722 | 2013-10-22 17:35:04 -0700 | [diff] [blame] | 527 | && !intf.equals(egressInterface)) { |
Jonathan Hart | d5f2e95 | 2013-09-13 16:31:23 +1200 | [diff] [blame] | 528 | srcInterfaces.put(intf.getDpid(), intf); |
Jonathan Hart | a23ffdb | 2013-08-14 14:36:54 +1200 | [diff] [blame] | 529 | } |
Jonathan Hart | d5f2e95 | 2013-09-13 16:31:23 +1200 | [diff] [blame] | 530 | } |
Jonathan Hart | d5f2e95 | 2013-09-13 16:31:23 +1200 | [diff] [blame] | 531 | for (Interface srcInterface : srcInterfaces.values()) { |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 532 | |
| 533 | if (egressInterface.equals(srcInterface)){ |
| 534 | continue; |
Jonathan Hart | defa44d | 2013-08-15 19:51:13 +1200 | [diff] [blame] | 535 | } |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 536 | |
| 537 | // Create flowPath FlowId |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 538 | flowPath.setFlowId(new FlowId()); |
| 539 | |
| 540 | // Create DataPath object: srcSwitchPort |
| 541 | SwitchPort srcPort = new SwitchPort(); |
| 542 | srcPort.setDpid(new Dpid(srcInterface.getDpid())); |
| 543 | srcPort.setPort(new Port(srcInterface.getPort())); |
| 544 | |
| 545 | DataPath dataPath = new DataPath(); |
| 546 | dataPath.setSrcPort(srcPort); |
| 547 | dataPath.setDstPort(dstPort); |
| 548 | flowPath.setDataPath(dataPath); |
| 549 | |
| 550 | // Create flow path matching condition(s): IPv4 Prefix |
| 551 | FlowEntryMatch flowEntryMatch = new FlowEntryMatch(); |
| 552 | flowEntryMatch.enableEthernetFrameType(Ethernet.TYPE_IPv4); |
| 553 | IPv4Net dstIPv4Net= new IPv4Net(prefix.toString()); |
| 554 | flowEntryMatch.enableDstIPv4Net(dstIPv4Net); |
| 555 | flowPath.setFlowEntryMatch(flowEntryMatch); |
Jonathan Hart | 1912afc | 2013-10-11 12:02:44 +1300 | [diff] [blame] | 556 | |
| 557 | /* |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 558 | * Create the Flow Entry Action(s): dst-MAC rewrite action |
Jonathan Hart | 1912afc | 2013-10-11 12:02:44 +1300 | [diff] [blame] | 559 | */ |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 560 | FlowEntryActions flowEntryActions = new FlowEntryActions(); |
| 561 | FlowEntryAction flowEntryAction1 = new FlowEntryAction(); |
| 562 | flowEntryAction1.setActionSetEthernetDstAddr(nextHopMacAddress); |
| 563 | // flowEntryAction1.actionSetEthernetDstAddr(nextHopMacAddress); |
| 564 | flowEntryActions.addAction(flowEntryAction1); |
| 565 | flowPath.setFlowEntryActions(flowEntryActions); |
| 566 | |
| 567 | // Flow Path installation, only to first hop switches |
Pavlin Radoslavov | 39f0f2e | 2014-03-20 12:04:57 -0700 | [diff] [blame] | 568 | // TODO: Add the flow by using the new Path Intent framework |
| 569 | /* |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 570 | if (flowManagerService.addFlow(flowPath) == null) { |
| 571 | log.error("Failed to install flow path to the first hop for " + |
| 572 | "prefix: {}, nextHopMacAddress: {}", prefix.getAddress(), |
| 573 | nextHopMacAddress); |
| 574 | } |
| 575 | else { |
| 576 | log.debug("Successfully installed flow path to the first hop " + |
| 577 | "for prefix: {}, nextHopMacAddress: {}", prefix.getAddress(), |
| 578 | nextHopMacAddress); |
| 579 | |
| 580 | pushedFlowIds.put(prefix, flowPath.flowId()); |
Jonathan Hart | a23ffdb | 2013-08-14 14:36:54 +1200 | [diff] [blame] | 581 | } |
Pavlin Radoslavov | 39f0f2e | 2014-03-20 12:04:57 -0700 | [diff] [blame] | 582 | */ |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 583 | } |
| 584 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 585 | |
Jonathan Hart | 0a46fe4 | 2013-08-10 17:08:47 +1200 | [diff] [blame] | 586 | public synchronized void processRibDelete(RibUpdate update) { |
Jonathan Hart | 8b9349e | 2013-07-26 15:55:28 +1200 | [diff] [blame] | 587 | Prefix prefix = update.getPrefix(); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 588 | |
Jonathan Hart | d7e158d | 2013-08-07 23:04:48 +1200 | [diff] [blame] | 589 | if (ptree.remove(prefix, update.getRibEntry())) { |
| 590 | /* |
| 591 | * Only delete flows if an entry was actually removed from the trie. |
| 592 | * If no entry was removed, the <prefix, nexthop> wasn't there so |
| 593 | * it's probably already been removed and we don't need to do anything |
| 594 | */ |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 595 | _processDeletePrefix(prefix, update.getRibEntry()); |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 596 | } |
| 597 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 598 | |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 599 | private void _processDeletePrefix(Prefix prefix, RibEntry ribEntry) { |
| 600 | deletePrefixFlows(prefix); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 601 | |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 602 | log.debug("Deleting {} to {}", prefix, ribEntry.getNextHop()); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 603 | |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 604 | if (!bgpPeers.containsKey(ribEntry.getNextHop())) { |
| 605 | log.debug("Getting path for route with non-peer nexthop"); |
Jonathan Hart | fb1ebc5 | 2013-08-17 16:25:51 +1200 | [diff] [blame] | 606 | Path path = prefixToPath.remove(prefix); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 607 | |
Jonathan Hart | d992f1a | 2013-09-13 13:46:44 +1200 | [diff] [blame] | 608 | if (path != null) { |
| 609 | //path could be null if we added to the Ptree but didn't push |
| 610 | //flows yet because we were waiting to resolve ARP |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 611 | |
Jonathan Hart | d992f1a | 2013-09-13 13:46:44 +1200 | [diff] [blame] | 612 | path.decrementUsers(); |
Jonathan Hart | d992f1a | 2013-09-13 13:46:44 +1200 | [diff] [blame] | 613 | if (path.getUsers() <= 0 && !path.isPermanent()) { |
| 614 | deletePath(path); |
| 615 | pushedPaths.remove(path.getDstIpAddress()); |
| 616 | } |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 617 | } |
| 618 | } |
| 619 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 620 | |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 621 | // TODO have not tested this module |
Jonathan Hart | 5b803bc | 2013-09-23 14:46:11 +1200 | [diff] [blame] | 622 | private void deletePrefixFlows(Prefix prefix) { |
| 623 | log.debug("Deleting flows for prefix {}", prefix); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 624 | |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 625 | Collection<FlowId> flowIds = pushedFlowIds.removeAll(prefix); |
| 626 | for (FlowId flowId : flowIds) { |
Pavlin Radoslavov | 39f0f2e | 2014-03-20 12:04:57 -0700 | [diff] [blame] | 627 | // TODO: Delete the flow by using the new Path Intent framework |
| 628 | /* |
Jonathan Hart | 5b803bc | 2013-09-23 14:46:11 +1200 | [diff] [blame] | 629 | if (log.isTraceEnabled()) { |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 630 | //Trace the flow status by flowPath in the switch before deleting it |
| 631 | log.trace("Pushing a DELETE flow mod to flowPath : {}", |
| 632 | flowManagerService.getFlow(flowId).toString()); |
Jonathan Hart | 5b803bc | 2013-09-23 14:46:11 +1200 | [diff] [blame] | 633 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 634 | |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 635 | if( flowManagerService.deleteFlow(flowId)) |
| 636 | { |
| 637 | log.debug("Successfully deleted FlowId: {}",flowId); |
| 638 | } |
| 639 | else |
| 640 | { |
| 641 | log.debug("Failed to delete FlowId: {}",flowId); |
| 642 | } |
Pavlin Radoslavov | 39f0f2e | 2014-03-20 12:04:57 -0700 | [diff] [blame] | 643 | */ |
Jonathan Hart | a23ffdb | 2013-08-14 14:36:54 +1200 | [diff] [blame] | 644 | } |
| 645 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 646 | |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 647 | // TODO need to record the path and then delete here |
Jonathan Hart | a23ffdb | 2013-08-14 14:36:54 +1200 | [diff] [blame] | 648 | private void deletePath(Path path) { |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 649 | log.debug("Deleting flows for path to {}", |
Jonathan Hart | 5b803bc | 2013-09-23 14:46:11 +1200 | [diff] [blame] | 650 | path.getDstIpAddress().getHostAddress()); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 651 | |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 652 | // TODO need update |
| 653 | /*for (PushedFlowMod pfm : path.getFlowMods()) { |
Jonathan Hart | 5b803bc | 2013-09-23 14:46:11 +1200 | [diff] [blame] | 654 | if (log.isTraceEnabled()) { |
| 655 | log.trace("Pushing a DELETE flow mod to {}, dst MAC {}", |
| 656 | new Object[] {HexString.toHexString(pfm.getDpid()), |
| 657 | HexString.toHexString(pfm.getFlowMod().getMatch().getDataLayerDestination()) |
| 658 | }); |
| 659 | } |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 660 | |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 661 | sendDeleteFlowMod(pfm.getFlowMod(), pfm.getDpid()); |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 662 | }*/ |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 663 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 664 | |
| 665 | |
Jonathan Hart | 0ee0f02 | 2013-08-03 22:21:54 +1200 | [diff] [blame] | 666 | //TODO test next-hop changes |
Jonathan Hart | 2f74078 | 2013-08-04 00:49:21 +1200 | [diff] [blame] | 667 | //TODO check delete/add synchronization |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 668 | |
| 669 | /** |
| 670 | * On startup, we need to calculate a full mesh of paths between all gateway |
Jonathan Hart | e7e1c6e | 2013-06-04 20:50:23 -0700 | [diff] [blame] | 671 | * switches |
| 672 | */ |
Jonathan Hart | 1236a9b | 2013-06-18 22:10:05 +1200 | [diff] [blame] | 673 | private void setupFullMesh(){ |
Jonathan Hart | e7e1c6e | 2013-06-04 20:50:23 -0700 | [diff] [blame] | 674 | //For each border router, calculate and install a path from every other |
| 675 | //border switch to said border router. However, don't install the entry |
| 676 | //in to the first hop switch, as we need to install an entry to rewrite |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 677 | //for each prefix received. This will be done later when prefixes have |
Jonathan Hart | e7e1c6e | 2013-06-04 20:50:23 -0700 | [diff] [blame] | 678 | //actually been received. |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 679 | |
Jonathan Hart | c824ad0 | 2013-07-03 15:58:45 +1200 | [diff] [blame] | 680 | for (BgpPeer peer : bgpPeers.values()) { |
| 681 | Interface peerInterface = interfaces.get(peer.getInterfaceName()); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 682 | |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 683 | //We know there's not already a Path here pushed, because this is |
| 684 | //called before all other routing |
Jonathan Hart | a23ffdb | 2013-08-14 14:36:54 +1200 | [diff] [blame] | 685 | Path path = new Path(peerInterface, peer.getIpAddress()); |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 686 | path.setPermanent(); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 687 | |
Jonathan Hart | 4dfc365 | 2013-08-02 20:22:36 +1200 | [diff] [blame] | 688 | //See if we know the MAC address of the peer. If not we can't |
| 689 | //do anything until we learn it |
Pavlin Radoslavov | 5fe7188 | 2014-03-21 16:27:21 -0700 | [diff] [blame] | 690 | // TODO: Fix the code below after deviceStorage was removed |
| 691 | MACAddress macAddress = null; |
| 692 | /* |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 693 | IDeviceObject nextHopDevice = |
| 694 | deviceStorage.getDeviceByIP(InetAddresses.coerceToInteger(peer.getIpAddress())); |
| 695 | |
| 696 | if(nextHopDevice == null){ |
| 697 | log.debug("There is no DeviceObject for {}", peer.getIpAddress().getHostAddress()); |
| 698 | //Put in the pending paths list first |
| 699 | pathsWaitingOnArp.put(peer.getIpAddress(), path); |
| 700 | proxyArp.sendArpRequest(peer.getIpAddress(), this, true); |
| 701 | continue; |
| 702 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 703 | |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 704 | macAddress = MACAddress.valueOf(nextHopDevice.getMACAddress()); |
Pavlin Radoslavov | 5fe7188 | 2014-03-21 16:27:21 -0700 | [diff] [blame] | 705 | */ |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 706 | |
Jonathan Hart | abad6a5 | 2013-09-30 18:17:21 +1300 | [diff] [blame] | 707 | if (macAddress == null) { |
Jonathan Hart | 4dfc365 | 2013-08-02 20:22:36 +1200 | [diff] [blame] | 708 | log.debug("Don't know MAC for {}", peer.getIpAddress().getHostAddress()); |
| 709 | //Put in the pending paths list first |
Jonathan Hart | a23ffdb | 2013-08-14 14:36:54 +1200 | [diff] [blame] | 710 | pathsWaitingOnArp.put(peer.getIpAddress(), path); |
Jonathan Hart | 4dfc365 | 2013-08-02 20:22:36 +1200 | [diff] [blame] | 711 | proxyArp.sendArpRequest(peer.getIpAddress(), this, true); |
| 712 | continue; |
Jonathan Hart | e7e1c6e | 2013-06-04 20:50:23 -0700 | [diff] [blame] | 713 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 714 | |
Jonathan Hart | 4dfc365 | 2013-08-02 20:22:36 +1200 | [diff] [blame] | 715 | //If we know the MAC, lets go ahead and push the paths to this peer |
Jonathan Hart | abad6a5 | 2013-09-30 18:17:21 +1300 | [diff] [blame] | 716 | calculateAndPushPath(path, macAddress); |
Jonathan Hart | e7e1c6e | 2013-06-04 20:50:23 -0700 | [diff] [blame] | 717 | } |
| 718 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 719 | |
Jonathan Hart | a23ffdb | 2013-08-14 14:36:54 +1200 | [diff] [blame] | 720 | private void calculateAndPushPath(Path path, MACAddress dstMacAddress) { |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 721 | Interface dstInterface = path.getDstInterface(); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 722 | |
Jonathan Hart | fb1ebc5 | 2013-08-17 16:25:51 +1200 | [diff] [blame] | 723 | log.debug("Setting up path to {}, {}", path.getDstIpAddress().getHostAddress(), |
| 724 | dstMacAddress); |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 725 | |
| 726 | FlowPath flowPath = new FlowPath(); |
| 727 | |
| 728 | flowPath.setInstallerId(new CallerId("SDNIP")); |
| 729 | |
| 730 | // Set flowPath FlowPathType and FlowPathUserState |
| 731 | flowPath.setFlowPathType(FlowPathType.FP_TYPE_SHORTEST_PATH); |
| 732 | flowPath.setFlowPathUserState(FlowPathUserState.FP_USER_ADD); |
| 733 | |
| 734 | // Insert the dest-mac based forwarding flow entry to the non-first-hop switches |
| 735 | FlowPathFlags flowPathFlags = new FlowPathFlags(); |
| 736 | flowPathFlags.setFlags(FlowPathFlags.DISCARD_FIRST_HOP_ENTRY); |
| 737 | flowPath.setFlowPathFlags(flowPathFlags); |
| 738 | |
| 739 | // Create the DataPath object: dstSwitchPort |
| 740 | SwitchPort dstPort = new SwitchPort(); |
| 741 | dstPort.setDpid(new Dpid(dstInterface.getDpid())); |
| 742 | dstPort.setPort(new Port(dstInterface.getPort())); |
| 743 | |
Jonathan Hart | 4dfc365 | 2013-08-02 20:22:36 +1200 | [diff] [blame] | 744 | for (Interface srcInterface : interfaces.values()) { |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 745 | |
Jonathan Hart | 4510722 | 2013-10-22 17:35:04 -0700 | [diff] [blame] | 746 | if (dstInterface.equals(srcInterface)){ |
Jonathan Hart | 4dfc365 | 2013-08-02 20:22:36 +1200 | [diff] [blame] | 747 | continue; |
| 748 | } |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 749 | |
| 750 | // Create flowPath FlowId |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 751 | flowPath.setFlowId(new FlowId()); |
| 752 | |
| 753 | // Create the DataPath object: srcSwitchPort |
| 754 | SwitchPort srcPort = new SwitchPort(); |
| 755 | srcPort.setDpid(new Dpid(srcInterface.getDpid())); |
| 756 | srcPort.setPort(new Port(srcInterface.getPort())); |
| 757 | |
| 758 | DataPath dataPath = new DataPath(); |
| 759 | dataPath.setSrcPort(srcPort); |
| 760 | dataPath.setDstPort(dstPort); |
| 761 | flowPath.setDataPath(dataPath); |
| 762 | |
| 763 | // Create the Flow Path Match condition(s) |
| 764 | FlowEntryMatch flowEntryMatch = new FlowEntryMatch(); |
| 765 | flowEntryMatch.enableEthernetFrameType(Ethernet.TYPE_IPv4); |
| 766 | flowEntryMatch.enableDstMac(dstMacAddress); |
| 767 | flowPath.setFlowEntryMatch(flowEntryMatch); |
| 768 | |
| 769 | // NOTE: No need to add ACTION_OUTPUT. It is implied when creating |
| 770 | // Shortest Path Flow, and is always the last action for the Flow Entries |
| 771 | log.debug("FlowPath of MAC based forwarding: {}", flowPath.toString()); |
Pavlin Radoslavov | 39f0f2e | 2014-03-20 12:04:57 -0700 | [diff] [blame] | 772 | // TODO: Add the flow by using the new Path Intent framework |
| 773 | /* |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 774 | if (flowManagerService.addFlow(flowPath) == null) { |
| 775 | log.error("Failed to set up MAC based forwarding path to {}, {}", |
| 776 | path.getDstIpAddress().getHostAddress(),dstMacAddress); |
Jonathan Hart | defa44d | 2013-08-15 19:51:13 +1200 | [diff] [blame] | 777 | } |
| 778 | else { |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 779 | log.debug("Successfully set up MAC based forwarding path to {}, {}", |
| 780 | path.getDstIpAddress().getHostAddress(),dstMacAddress); |
Jonathan Hart | defa44d | 2013-08-15 19:51:13 +1200 | [diff] [blame] | 781 | } |
Pavlin Radoslavov | 39f0f2e | 2014-03-20 12:04:57 -0700 | [diff] [blame] | 782 | */ |
Jonathan Hart | 4dfc365 | 2013-08-02 20:22:36 +1200 | [diff] [blame] | 783 | } |
| 784 | } |
Jonathan Hart | 832a7cb | 2013-06-24 11:25:35 +1200 | [diff] [blame] | 785 | |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 786 | /** |
| 787 | * Pre-actively install all BGP traffic paths from BGP host attachment point |
| 788 | * in SDN network to all the virtual gateways to BGP peers in other networks |
| 789 | */ |
| 790 | private void setupBgpPaths(){ |
| 791 | |
| 792 | for (BgpPeer bgpPeer : bgpPeers.values()){ |
| 793 | |
| 794 | FlowPath flowPath = new FlowPath(); |
| 795 | flowPath.setInstallerId(new CallerId("SDNIP")); |
| 796 | |
| 797 | // Set flowPath FlowPathType and FlowPathUserState |
| 798 | flowPath.setFlowPathType(FlowPathType.FP_TYPE_SHORTEST_PATH); |
| 799 | flowPath.setFlowPathUserState(FlowPathUserState.FP_USER_ADD); |
| 800 | |
| 801 | // Install flow paths between BGPd and its peers |
| 802 | // There is no need to set the FlowPathFlags |
| 803 | flowPath.setFlowPathFlags(new FlowPathFlags(0)); |
| 804 | |
| 805 | Interface peerInterface = interfaces.get(bgpPeer.getInterfaceName()); |
| 806 | |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 807 | // Create the Flow Path Match condition(s) |
| 808 | FlowEntryMatch flowEntryMatch = new FlowEntryMatch(); |
| 809 | flowEntryMatch.enableEthernetFrameType(Ethernet.TYPE_IPv4); |
| 810 | |
| 811 | // Match both source address and dest address |
| 812 | IPv4Net dstIPv4Net= new IPv4Net(bgpPeer.getIpAddress().getHostAddress()+"/32"); |
| 813 | flowEntryMatch.enableDstIPv4Net(dstIPv4Net); |
| 814 | |
| 815 | IPv4Net srcIPv4Net= new IPv4Net(peerInterface.getIpAddress().getHostAddress()+"/32"); |
| 816 | flowEntryMatch.enableSrcIPv4Net(srcIPv4Net); |
| 817 | |
| 818 | // Match TCP protocol |
| 819 | flowEntryMatch.enableIpProto(IPv4.PROTOCOL_TCP); |
| 820 | |
| 821 | // Match destination TCP port |
| 822 | flowEntryMatch.enableDstTcpUdpPort(BGP_PORT); |
| 823 | flowPath.setFlowEntryMatch(flowEntryMatch); |
| 824 | |
| 825 | /** |
| 826 | * Create the DataPath: BGP -> BGP peer |
| 827 | */ |
| 828 | // Flow path for src-TCP-port |
| 829 | DataPath dataPath = new DataPath(); |
| 830 | |
| 831 | SwitchPort srcPort = new SwitchPort(); |
| 832 | srcPort.setDpid(bgpdAttachmentPoint.dpid()); |
| 833 | srcPort.setPort(bgpdAttachmentPoint.port()); |
| 834 | dataPath.setSrcPort(srcPort); |
| 835 | |
| 836 | SwitchPort dstPort = new SwitchPort(); |
| 837 | dstPort.setDpid(new Dpid(peerInterface.getDpid())); |
| 838 | dstPort.setPort(new Port(peerInterface.getSwitchPort().port())); |
| 839 | dataPath.setDstPort(dstPort); |
| 840 | |
| 841 | flowPath.setDataPath(dataPath); |
| 842 | |
Pavlin Radoslavov | 39f0f2e | 2014-03-20 12:04:57 -0700 | [diff] [blame] | 843 | // TODO: Add the flow by using the new Path Intent framework |
| 844 | /* |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 845 | if (flowManagerService.addFlow(flowPath) == null) { |
| 846 | log.error("Failed to set up path BGP -> peer {}"+"; dst-TCP-port:179", |
| 847 | bgpPeer.getIpAddress().getHostAddress()); |
| 848 | } |
| 849 | else { |
| 850 | log.debug("Successfully set up path BGP -> peer {}"+"; dst-TCP-port:179", |
| 851 | bgpPeer.getIpAddress().getHostAddress()); |
| 852 | } |
Pavlin Radoslavov | 39f0f2e | 2014-03-20 12:04:57 -0700 | [diff] [blame] | 853 | */ |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 854 | |
| 855 | // Disable dst-TCP-port, and set src-TCP-port |
| 856 | flowEntryMatch.disableDstTcpUdpPort(); |
| 857 | flowEntryMatch.enableSrcTcpUdpPort(BGP_PORT); |
| 858 | flowPath.setFlowEntryMatch(flowEntryMatch); |
| 859 | |
| 860 | // Create a new FlowId |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 861 | flowPath.setFlowId(new FlowId()); |
| 862 | |
Pavlin Radoslavov | 39f0f2e | 2014-03-20 12:04:57 -0700 | [diff] [blame] | 863 | // TODO: Add the flow by using the new Path Intent framework |
| 864 | /* |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 865 | if (flowManagerService.addFlow(flowPath) == null) { |
| 866 | log.error("Failed to set up path BGP -> Peer {}" + "; src-TCP-port:179", |
| 867 | bgpPeer.getIpAddress().getHostAddress()); |
| 868 | } |
| 869 | else { |
| 870 | log.debug("Successfully set up path BGP -> Peer {}" + "; src-TCP-port:179", |
| 871 | bgpPeer.getIpAddress().getHostAddress()); |
| 872 | } |
Pavlin Radoslavov | 39f0f2e | 2014-03-20 12:04:57 -0700 | [diff] [blame] | 873 | */ |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 874 | |
| 875 | /** |
| 876 | * Create the DataPath: BGP <-BGP peer |
| 877 | */ |
| 878 | // Reversed BGP flow path for src-TCP-port |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 879 | flowPath.setFlowId(new FlowId()); |
| 880 | |
| 881 | DataPath reverse_dataPath = new DataPath(); |
| 882 | |
| 883 | SwitchPort reverse_dstPort = new SwitchPort(); |
| 884 | reverse_dstPort.setDpid(bgpdAttachmentPoint.dpid()); |
| 885 | reverse_dstPort.setPort(bgpdAttachmentPoint.port()); |
| 886 | reverse_dataPath.setDstPort(reverse_dstPort); |
| 887 | |
| 888 | SwitchPort reverse_srcPort = new SwitchPort(); |
| 889 | reverse_srcPort.setDpid(new Dpid(peerInterface.getDpid())); |
| 890 | reverse_srcPort.setPort(new Port(peerInterface.getSwitchPort().port())); |
| 891 | reverse_dataPath.setSrcPort(reverse_srcPort); |
| 892 | flowPath.setDataPath(reverse_dataPath); |
| 893 | |
| 894 | // reverse the dst IP and src IP addresses |
| 895 | flowEntryMatch.enableDstIPv4Net(srcIPv4Net); |
| 896 | flowEntryMatch.enableSrcIPv4Net(dstIPv4Net); |
| 897 | flowPath.setFlowEntryMatch(flowEntryMatch); |
| 898 | |
| 899 | log.debug("Reversed BGP FlowPath: {}", flowPath.toString()); |
| 900 | |
Pavlin Radoslavov | 39f0f2e | 2014-03-20 12:04:57 -0700 | [diff] [blame] | 901 | // TODO: Add the flow by using the new Path Intent framework |
| 902 | /* |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 903 | if (flowManagerService.addFlow(flowPath) == null) { |
| 904 | |
| 905 | log.error("Failed to set up path BGP <- Peer {}" + "; src-TCP-port:179", |
| 906 | bgpPeer.getIpAddress().getHostAddress()); |
| 907 | } |
| 908 | else { |
| 909 | log.debug("Successfully set up path BGP <- Peer {}" + "; src-TCP-port:179", |
| 910 | bgpPeer.getIpAddress().getHostAddress()); |
| 911 | } |
Pavlin Radoslavov | 39f0f2e | 2014-03-20 12:04:57 -0700 | [diff] [blame] | 912 | */ |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 913 | |
| 914 | // Reversed BGP flow path for dst-TCP-port |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 915 | flowPath.setFlowId(new FlowId()); |
| 916 | |
| 917 | // Disable src-TCP-port, and set the dst-TCP-port |
| 918 | flowEntryMatch.disableSrcTcpUdpPort(); |
| 919 | flowEntryMatch.enableDstTcpUdpPort(BGP_PORT); |
| 920 | flowPath.setFlowEntryMatch(flowEntryMatch); |
| 921 | |
| 922 | log.debug("Reversed BGP FlowPath: {}", flowPath.toString()); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 923 | |
Pavlin Radoslavov | 39f0f2e | 2014-03-20 12:04:57 -0700 | [diff] [blame] | 924 | // TODO: Add the flow by using the new Path Intent framework |
| 925 | /* |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 926 | if (flowManagerService.addFlow(flowPath) == null) { |
| 927 | log.error("Failed to setting up path BGP <- Peer {}" + "; dst-TCP-port:179", |
| 928 | bgpPeer.getIpAddress().getHostAddress()); |
| 929 | } |
| 930 | else { |
| 931 | log.debug("Successfully setting up path BGP <- Peer {}" + "; dst-TCP-port:179", |
| 932 | bgpPeer.getIpAddress().getHostAddress()); |
| 933 | } |
Pavlin Radoslavov | 39f0f2e | 2014-03-20 12:04:57 -0700 | [diff] [blame] | 934 | */ |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 935 | |
| 936 | /** |
| 937 | * ICMP paths between BGPd and its peers |
| 938 | */ |
| 939 | //match ICMP protocol BGP <- Peer |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 940 | flowPath.setFlowId(new FlowId()); |
| 941 | |
| 942 | flowEntryMatch.enableIpProto(IPv4.PROTOCOL_ICMP); |
| 943 | flowEntryMatch.disableSrcTcpUdpPort(); |
| 944 | flowEntryMatch.disableDstTcpUdpPort(); |
| 945 | |
| 946 | flowPath.setFlowEntryMatch(flowEntryMatch); |
| 947 | |
| 948 | flowPath.setDataPath(reverse_dataPath); |
| 949 | |
| 950 | log.debug("Reversed ICMP FlowPath: {}", flowPath.toString()); |
| 951 | |
Pavlin Radoslavov | 39f0f2e | 2014-03-20 12:04:57 -0700 | [diff] [blame] | 952 | // TODO: Add the flow by using the new Path Intent framework |
| 953 | /* |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 954 | if (flowManagerService.addFlow(flowPath) == null) { |
| 955 | |
| 956 | log.error("Failed to set up ICMP path BGP <- Peer {}", |
| 957 | bgpPeer.getIpAddress().getHostAddress()); |
| 958 | } |
| 959 | else { |
| 960 | log.debug("Successfully set up ICMP path BGP <- Peer {}", |
| 961 | bgpPeer.getIpAddress().getHostAddress()); |
| 962 | } |
Pavlin Radoslavov | 39f0f2e | 2014-03-20 12:04:57 -0700 | [diff] [blame] | 963 | */ |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 964 | |
| 965 | //match ICMP protocol BGP -> Peer |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 966 | flowPath.setFlowId(new FlowId()); |
| 967 | |
| 968 | flowEntryMatch.enableDstIPv4Net(dstIPv4Net); |
| 969 | flowEntryMatch.enableSrcIPv4Net(srcIPv4Net); |
| 970 | flowPath.setFlowEntryMatch(flowEntryMatch); |
| 971 | |
| 972 | flowPath.setDataPath(dataPath); |
| 973 | |
| 974 | log.debug("ICMP flowPath: {}", flowPath.toString()); |
| 975 | |
Pavlin Radoslavov | 39f0f2e | 2014-03-20 12:04:57 -0700 | [diff] [blame] | 976 | // TODO: Add the flow by using the new Path Intent framework |
| 977 | /* |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 978 | if (flowManagerService.addFlow(flowPath) == null) { |
| 979 | |
| 980 | log.error("Failed to set up ICMP path BGP -> Peer {}", |
| 981 | bgpPeer.getIpAddress().getHostAddress()); |
| 982 | } |
| 983 | else { |
| 984 | log.debug("Successfully set up ICMP path BGP -> Peer {}", |
| 985 | bgpPeer.getIpAddress().getHostAddress()); |
Jonathan Hart | 832a7cb | 2013-06-24 11:25:35 +1200 | [diff] [blame] | 986 | } |
Pavlin Radoslavov | 39f0f2e | 2014-03-20 12:04:57 -0700 | [diff] [blame] | 987 | */ |
Jonathan Hart | 832a7cb | 2013-06-24 11:25:35 +1200 | [diff] [blame] | 988 | } |
| 989 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 990 | |
Jonathan Hart | 4dfc365 | 2013-08-02 20:22:36 +1200 | [diff] [blame] | 991 | @Override |
Jonathan Hart | abad6a5 | 2013-09-30 18:17:21 +1300 | [diff] [blame] | 992 | public void arpResponse(InetAddress ipAddress, MACAddress macAddress) { |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 993 | log.debug("Received ARP response: {} => {}", |
Jonathan Hart | abad6a5 | 2013-09-30 18:17:21 +1300 | [diff] [blame] | 994 | ipAddress.getHostAddress(), macAddress); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 995 | |
Jonathan Hart | 0a46fe4 | 2013-08-10 17:08:47 +1200 | [diff] [blame] | 996 | /* |
| 997 | * We synchronize on this to prevent changes to the ptree while we're pushing |
| 998 | * flows to the switches. If the ptree changes, the ptree and switches |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 999 | * could get out of sync. |
Jonathan Hart | 0a46fe4 | 2013-08-10 17:08:47 +1200 | [diff] [blame] | 1000 | */ |
| 1001 | synchronized (this) { |
Jonathan Hart | a23ffdb | 2013-08-14 14:36:54 +1200 | [diff] [blame] | 1002 | Path path = pathsWaitingOnArp.remove(ipAddress); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1003 | |
Jonathan Hart | a23ffdb | 2013-08-14 14:36:54 +1200 | [diff] [blame] | 1004 | if (path != null) { |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 1005 | log.debug("Pushing path to {} at {} on {}", new Object[] { |
Jonathan Hart | abad6a5 | 2013-09-30 18:17:21 +1300 | [diff] [blame] | 1006 | path.getDstIpAddress().getHostAddress(), macAddress, |
Jonathan Hart | a23ffdb | 2013-08-14 14:36:54 +1200 | [diff] [blame] | 1007 | path.getDstInterface().getSwitchPort()}); |
| 1008 | //These paths should always be to BGP peers. Paths to non-peers are |
| 1009 | //handled once the first prefix is ready to push |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1010 | if (pushedPaths.containsKey(path.getDstIpAddress())) { |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 1011 | //A path already got pushed to this endpoint while we were waiting |
| 1012 | //for ARP. We'll copy over the permanent attribute if it is set on this path. |
Jonathan Hart | a23ffdb | 2013-08-14 14:36:54 +1200 | [diff] [blame] | 1013 | if (path.isPermanent()) { |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1014 | pushedPaths.get(path.getDstIpAddress()).setPermanent(); |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 1015 | } |
| 1016 | } |
| 1017 | else { |
Jonathan Hart | abad6a5 | 2013-09-30 18:17:21 +1300 | [diff] [blame] | 1018 | calculateAndPushPath(path, macAddress); |
Jonathan Hart | a23ffdb | 2013-08-14 14:36:54 +1200 | [diff] [blame] | 1019 | pushedPaths.put(path.getDstIpAddress(), path); |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 1020 | } |
| 1021 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1022 | |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 1023 | Set<RibUpdate> prefixesToPush = prefixesWaitingOnArp.removeAll(ipAddress); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1024 | |
Jonathan Hart | 0a46fe4 | 2013-08-10 17:08:47 +1200 | [diff] [blame] | 1025 | for (RibUpdate update : prefixesToPush) { |
| 1026 | //These will always be adds |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1027 | |
| 1028 | RibEntry rib = ptree.lookup(update.getPrefix()); |
Jonathan Hart | 0a46fe4 | 2013-08-10 17:08:47 +1200 | [diff] [blame] | 1029 | if (rib != null && rib.equals(update.getRibEntry())) { |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1030 | log.debug("Pushing prefix {} next hop {}", update.getPrefix(), |
Jonathan Hart | b39a67d | 2013-08-10 23:59:50 +1200 | [diff] [blame] | 1031 | rib.getNextHop().getHostAddress()); |
Jonathan Hart | 0a46fe4 | 2013-08-10 17:08:47 +1200 | [diff] [blame] | 1032 | //We only push prefix flows if the prefix is still in the ptree |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1033 | //and the next hop is the same as our update. The prefix could |
| 1034 | //have been removed while we were waiting for the ARP, or the |
Jonathan Hart | 0a46fe4 | 2013-08-10 17:08:47 +1200 | [diff] [blame] | 1035 | //next hop could have changed. |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 1036 | _processRibAdd(update); |
Jonathan Hart | 0a46fe4 | 2013-08-10 17:08:47 +1200 | [diff] [blame] | 1037 | } else { |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1038 | log.debug("Received ARP response, but {},{} is no longer in ptree", |
Jonathan Hart | 0a46fe4 | 2013-08-10 17:08:47 +1200 | [diff] [blame] | 1039 | update.getPrefix(), update.getRibEntry()); |
| 1040 | } |
| 1041 | } |
Jonathan Hart | 0ee0f02 | 2013-08-03 22:21:54 +1200 | [diff] [blame] | 1042 | } |
Jonathan Hart | 4dfc365 | 2013-08-02 20:22:36 +1200 | [diff] [blame] | 1043 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1044 | |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 1045 | //TODO wait the priority module of the flow Manager |
Jonathan Hart | c82051c | 2013-08-24 15:12:20 +1200 | [diff] [blame] | 1046 | private void setupArpFlows() { |
| 1047 | OFMatch match = new OFMatch(); |
| 1048 | match.setDataLayerType(Ethernet.TYPE_ARP); |
| 1049 | match.setWildcards(match.getWildcards() & ~OFMatch.OFPFW_DL_TYPE); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1050 | |
Jonathan Hart | c82051c | 2013-08-24 15:12:20 +1200 | [diff] [blame] | 1051 | OFFlowMod fm = new OFFlowMod(); |
| 1052 | fm.setMatch(match); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1053 | |
Jonathan Hart | c82051c | 2013-08-24 15:12:20 +1200 | [diff] [blame] | 1054 | OFActionOutput action = new OFActionOutput(); |
| 1055 | action.setPort(OFPort.OFPP_CONTROLLER.getValue()); |
| 1056 | action.setMaxLength((short)0xffff); |
| 1057 | List<OFAction> actions = new ArrayList<OFAction>(1); |
| 1058 | actions.add(action); |
| 1059 | fm.setActions(actions); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1060 | |
Jonathan Hart | c82051c | 2013-08-24 15:12:20 +1200 | [diff] [blame] | 1061 | fm.setIdleTimeout((short)0) |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 1062 | .setHardTimeout((short)0) |
| 1063 | .setBufferId(OFPacketOut.BUFFER_ID_NONE) |
| 1064 | .setCookie(0) |
| 1065 | .setCommand(OFFlowMod.OFPFC_ADD) |
| 1066 | .setPriority(ARP_PRIORITY) |
Jonathan Hart | c82051c | 2013-08-24 15:12:20 +1200 | [diff] [blame] | 1067 | .setLengthU(OFFlowMod.MINIMUM_LENGTH + OFActionOutput.MINIMUM_LENGTH); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1068 | |
Jonathan Hart | c82051c | 2013-08-24 15:12:20 +1200 | [diff] [blame] | 1069 | for (String strdpid : switches){ |
Jonathan Hart | 1912afc | 2013-10-11 12:02:44 +1300 | [diff] [blame] | 1070 | flowCache.write(HexString.toLong(strdpid), fm); |
Jonathan Hart | c82051c | 2013-08-24 15:12:20 +1200 | [diff] [blame] | 1071 | } |
| 1072 | } |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 1073 | //TODO need update, waiting for the priority feature from flow Manager |
Jonathan Hart | f886fa1 | 2013-09-18 14:46:29 +1200 | [diff] [blame] | 1074 | private void setupDefaultDropFlows() { |
| 1075 | OFFlowMod fm = new OFFlowMod(); |
| 1076 | fm.setMatch(new OFMatch()); |
Jonathan Hart | 4aa2b4e | 2013-09-24 14:50:23 +1200 | [diff] [blame] | 1077 | fm.setActions(new ArrayList<OFAction>()); //No action means drop |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1078 | |
Jonathan Hart | f886fa1 | 2013-09-18 14:46:29 +1200 | [diff] [blame] | 1079 | fm.setIdleTimeout((short)0) |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 1080 | .setHardTimeout((short)0) |
| 1081 | .setBufferId(OFPacketOut.BUFFER_ID_NONE) |
| 1082 | .setCookie(0) |
| 1083 | .setCommand(OFFlowMod.OFPFC_ADD) |
| 1084 | .setPriority((short)0) |
Jonathan Hart | f886fa1 | 2013-09-18 14:46:29 +1200 | [diff] [blame] | 1085 | .setLengthU(OFFlowMod.MINIMUM_LENGTH); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1086 | |
Jonathan Hart | 4aa2b4e | 2013-09-24 14:50:23 +1200 | [diff] [blame] | 1087 | OFFlowMod fmLLDP; |
| 1088 | OFFlowMod fmBDDP; |
| 1089 | try { |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 1090 | fmLLDP = fm.clone(); |
| 1091 | fmBDDP = fm.clone(); |
Jonathan Hart | 4aa2b4e | 2013-09-24 14:50:23 +1200 | [diff] [blame] | 1092 | } catch (CloneNotSupportedException e1) { |
| 1093 | log.error("Error cloning flow mod", e1); |
| 1094 | return; |
| 1095 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1096 | |
Jonathan Hart | 4aa2b4e | 2013-09-24 14:50:23 +1200 | [diff] [blame] | 1097 | OFMatch matchLLDP = new OFMatch(); |
Stacey Sheldon | 4443300 | 2014-01-21 00:43:09 -0500 | [diff] [blame] | 1098 | matchLLDP.setDataLayerType((short)0x88cc); |
Jonathan Hart | 4aa2b4e | 2013-09-24 14:50:23 +1200 | [diff] [blame] | 1099 | matchLLDP.setWildcards(matchLLDP.getWildcards() & ~ OFMatch.OFPFW_DL_TYPE); |
| 1100 | fmLLDP.setMatch(matchLLDP); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1101 | |
Jonathan Hart | 4aa2b4e | 2013-09-24 14:50:23 +1200 | [diff] [blame] | 1102 | OFMatch matchBDDP = new OFMatch(); |
Stacey Sheldon | 4443300 | 2014-01-21 00:43:09 -0500 | [diff] [blame] | 1103 | matchBDDP.setDataLayerType((short)0x8942); |
Jonathan Hart | 4aa2b4e | 2013-09-24 14:50:23 +1200 | [diff] [blame] | 1104 | matchBDDP.setWildcards(matchBDDP.getWildcards() & ~ OFMatch.OFPFW_DL_TYPE); |
| 1105 | fmBDDP.setMatch(matchBDDP); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1106 | |
Jonathan Hart | 4aa2b4e | 2013-09-24 14:50:23 +1200 | [diff] [blame] | 1107 | OFActionOutput action = new OFActionOutput(); |
| 1108 | action.setPort(OFPort.OFPP_CONTROLLER.getValue()); |
| 1109 | action.setMaxLength((short)0xffff); |
| 1110 | List<OFAction> actions = new ArrayList<OFAction>(1); |
| 1111 | actions.add(action); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1112 | |
Jonathan Hart | 4aa2b4e | 2013-09-24 14:50:23 +1200 | [diff] [blame] | 1113 | fmLLDP.setActions(actions); |
| 1114 | fmBDDP.setActions(actions); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1115 | |
Jonathan Hart | 4aa2b4e | 2013-09-24 14:50:23 +1200 | [diff] [blame] | 1116 | fmLLDP.setPriority(ARP_PRIORITY); |
| 1117 | fmLLDP.setLengthU(OFFlowMod.MINIMUM_LENGTH + OFActionOutput.MINIMUM_LENGTH); |
| 1118 | fmBDDP.setPriority(ARP_PRIORITY); |
| 1119 | fmBDDP.setLengthU(OFFlowMod.MINIMUM_LENGTH + OFActionOutput.MINIMUM_LENGTH); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1120 | |
| 1121 | List<OFFlowMod> flowModList = new ArrayList<OFFlowMod>(3); |
Jonathan Hart | 1912afc | 2013-10-11 12:02:44 +1300 | [diff] [blame] | 1122 | flowModList.add(fm); |
| 1123 | flowModList.add(fmLLDP); |
| 1124 | flowModList.add(fmBDDP); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1125 | |
Jonathan Hart | f886fa1 | 2013-09-18 14:46:29 +1200 | [diff] [blame] | 1126 | for (String strdpid : switches){ |
Jonathan Hart | 1912afc | 2013-10-11 12:02:44 +1300 | [diff] [blame] | 1127 | flowCache.write(HexString.toLong(strdpid), flowModList); |
Jonathan Hart | f886fa1 | 2013-09-18 14:46:29 +1200 | [diff] [blame] | 1128 | } |
| 1129 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1130 | |
Jonathan Hart | 1236a9b | 2013-06-18 22:10:05 +1200 | [diff] [blame] | 1131 | private void beginRouting(){ |
| 1132 | log.debug("Topology is now ready, beginning routing function"); |
Pavlin Radoslavov | 1237e39 | 2014-03-20 16:24:06 -0700 | [diff] [blame] | 1133 | // TODO: Fix for the new Topology Network Graph |
| 1134 | // topology = topologyNetService.newDatabaseTopology(); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1135 | |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 1136 | // Wait Pavlin's API. We need the following functions. |
| 1137 | /*setupArpFlows(); |
| 1138 | setupDefaultDropFlows();*/ |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1139 | |
Jonathan Hart | 832a7cb | 2013-06-24 11:25:35 +1200 | [diff] [blame] | 1140 | setupBgpPaths(); |
Jonathan Hart | 98957bf | 2013-07-01 14:49:24 +1200 | [diff] [blame] | 1141 | setupFullMesh(); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1142 | |
Jonathan Hart | e769453 | 2013-09-12 12:34:46 +1200 | [diff] [blame] | 1143 | //Suppress link discovery on external-facing router ports |
| 1144 | for (Interface intf : interfaces.values()) { |
| 1145 | linkDiscoveryService.AddToSuppressLLDPs(intf.getDpid(), intf.getPort()); |
| 1146 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1147 | |
Jonathan Hart | 0a46fe4 | 2013-08-10 17:08:47 +1200 | [diff] [blame] | 1148 | bgpUpdatesExecutor.execute(new Runnable() { |
| 1149 | @Override |
| 1150 | public void run() { |
| 1151 | doUpdatesThread(); |
| 1152 | } |
| 1153 | }); |
Jonathan Hart | 1236a9b | 2013-06-18 22:10:05 +1200 | [diff] [blame] | 1154 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1155 | |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 1156 | // Before inserting the paths for BGP traffic, we should check |
| 1157 | // whether all the switches in the configure file are discovered by onos. |
Jonathan Hart | 1236a9b | 2013-06-18 22:10:05 +1200 | [diff] [blame] | 1158 | private void checkSwitchesConnected(){ |
| 1159 | for (String dpid : switches){ |
Pavlin Radoslavov | 5fe7188 | 2014-03-21 16:27:21 -0700 | [diff] [blame] | 1160 | // TODO: Fix the code below after topoSwitchSerice was removed |
| 1161 | /* |
pingping-lin | ba5c52f | 2014-02-11 16:52:01 -0800 | [diff] [blame] | 1162 | Iterator<ISwitchObject> activeSwitches = topoSwitchService. |
| 1163 | getActiveSwitches().iterator(); |
| 1164 | while(activeSwitches.hasNext()) |
| 1165 | { |
| 1166 | ISwitchObject switchObject = activeSwitches.next(); |
| 1167 | if (switchObject.getDPID().equals(dpid)) { |
| 1168 | break; |
| 1169 | } |
| 1170 | if(activeSwitches.hasNext() == false) { |
| 1171 | log.debug("Not all switches are here yet"); |
| 1172 | return; |
| 1173 | } |
Jonathan Hart | 1236a9b | 2013-06-18 22:10:05 +1200 | [diff] [blame] | 1174 | } |
Pavlin Radoslavov | 5fe7188 | 2014-03-21 16:27:21 -0700 | [diff] [blame] | 1175 | */ |
Jonathan Hart | 1236a9b | 2013-06-18 22:10:05 +1200 | [diff] [blame] | 1176 | } |
| 1177 | switchesConnected = true; |
| 1178 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1179 | |
Jonathan Hart | c824ad0 | 2013-07-03 15:58:45 +1200 | [diff] [blame] | 1180 | //Actually we only need to go half way round to verify full mesh connectivity |
| 1181 | //(n^2)/2 |
Jonathan Hart | 1236a9b | 2013-06-18 22:10:05 +1200 | [diff] [blame] | 1182 | private void checkTopologyReady(){ |
Jonathan Hart | c824ad0 | 2013-07-03 15:58:45 +1200 | [diff] [blame] | 1183 | for (Interface dstInterface : interfaces.values()) { |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1184 | for (Interface srcInterface : interfaces.values()) { |
Jonathan Hart | 4510722 | 2013-10-22 17:35:04 -0700 | [diff] [blame] | 1185 | if (dstInterface.equals(srcInterface)) { |
Jonathan Hart | 1236a9b | 2013-06-18 22:10:05 +1200 | [diff] [blame] | 1186 | continue; |
| 1187 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1188 | |
Pavlin Radoslavov | 1237e39 | 2014-03-20 16:24:06 -0700 | [diff] [blame] | 1189 | // TODO: Fix for the new Topology Network Graph |
| 1190 | /* |
Pavlin Radoslavov | 15954d4 | 2013-10-19 15:29:04 -0700 | [diff] [blame] | 1191 | DataPath shortestPath = topologyNetService.getDatabaseShortestPath( |
Jonathan Hart | c824ad0 | 2013-07-03 15:58:45 +1200 | [diff] [blame] | 1192 | srcInterface.getSwitchPort(), dstInterface.getSwitchPort()); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1193 | |
Jonathan Hart | 1236a9b | 2013-06-18 22:10:05 +1200 | [diff] [blame] | 1194 | if (shortestPath == null){ |
| 1195 | log.debug("Shortest path between {} and {} not found", |
Jonathan Hart | c824ad0 | 2013-07-03 15:58:45 +1200 | [diff] [blame] | 1196 | srcInterface.getSwitchPort(), dstInterface.getSwitchPort()); |
Jonathan Hart | 1236a9b | 2013-06-18 22:10:05 +1200 | [diff] [blame] | 1197 | return; |
| 1198 | } |
Pavlin Radoslavov | 1237e39 | 2014-03-20 16:24:06 -0700 | [diff] [blame] | 1199 | */ |
Jonathan Hart | 1236a9b | 2013-06-18 22:10:05 +1200 | [diff] [blame] | 1200 | } |
| 1201 | } |
| 1202 | topologyReady = true; |
| 1203 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1204 | |
Jonathan Hart | 1236a9b | 2013-06-18 22:10:05 +1200 | [diff] [blame] | 1205 | private void checkStatus(){ |
Jonathan Hart | 1236a9b | 2013-06-18 22:10:05 +1200 | [diff] [blame] | 1206 | if (!switchesConnected){ |
| 1207 | checkSwitchesConnected(); |
| 1208 | } |
| 1209 | boolean oldTopologyReadyStatus = topologyReady; |
| 1210 | if (switchesConnected && !topologyReady){ |
| 1211 | checkTopologyReady(); |
| 1212 | } |
| 1213 | if (!oldTopologyReadyStatus && topologyReady){ |
| 1214 | beginRouting(); |
| 1215 | } |
| 1216 | } |
Jonathan Hart | a23ffdb | 2013-08-14 14:36:54 +1200 | [diff] [blame] | 1217 | |
Jonathan Hart | 8b9349e | 2013-07-26 15:55:28 +1200 | [diff] [blame] | 1218 | private void doUpdatesThread() { |
| 1219 | boolean interrupted = false; |
| 1220 | try { |
| 1221 | while (true) { |
| 1222 | try { |
| 1223 | RibUpdate update = ribUpdates.take(); |
| 1224 | switch (update.getOperation()){ |
| 1225 | case UPDATE: |
Jonathan Hart | e4c9869 | 2013-10-18 17:40:03 -0700 | [diff] [blame] | 1226 | if (validateUpdate(update)) { |
| 1227 | processRibAdd(update); |
| 1228 | } |
| 1229 | else { |
| 1230 | log.debug("Rib UPDATE out of order: {} via {}", |
| 1231 | update.getPrefix(), update.getRibEntry().getNextHop()); |
| 1232 | } |
Jonathan Hart | 8b9349e | 2013-07-26 15:55:28 +1200 | [diff] [blame] | 1233 | break; |
| 1234 | case DELETE: |
Jonathan Hart | e4c9869 | 2013-10-18 17:40:03 -0700 | [diff] [blame] | 1235 | if (validateUpdate(update)) { |
| 1236 | processRibDelete(update); |
| 1237 | } |
| 1238 | else { |
| 1239 | log.debug("Rib DELETE out of order: {} via {}", |
| 1240 | update.getPrefix(), update.getRibEntry().getNextHop()); |
| 1241 | } |
Jonathan Hart | 8b9349e | 2013-07-26 15:55:28 +1200 | [diff] [blame] | 1242 | break; |
| 1243 | } |
| 1244 | } catch (InterruptedException e) { |
Jonathan Hart | a23ffdb | 2013-08-14 14:36:54 +1200 | [diff] [blame] | 1245 | log.debug("Interrupted while taking from updates queue", e); |
Jonathan Hart | 8b9349e | 2013-07-26 15:55:28 +1200 | [diff] [blame] | 1246 | interrupted = true; |
Jonathan Hart | 309889c | 2013-08-13 23:26:24 +1200 | [diff] [blame] | 1247 | } catch (Exception e) { |
| 1248 | log.debug("exception", e); |
Jonathan Hart | 8b9349e | 2013-07-26 15:55:28 +1200 | [diff] [blame] | 1249 | } |
| 1250 | } |
| 1251 | } finally { |
| 1252 | if (interrupted) { |
| 1253 | Thread.currentThread().interrupt(); |
| 1254 | } |
| 1255 | } |
| 1256 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1257 | |
Jonathan Hart | e4c9869 | 2013-10-18 17:40:03 -0700 | [diff] [blame] | 1258 | private boolean validateUpdate(RibUpdate update) { |
| 1259 | RibEntry newEntry = update.getRibEntry(); |
| 1260 | RibEntry oldEntry = ptree.lookup(update.getPrefix()); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1261 | |
Jonathan Hart | e4c9869 | 2013-10-18 17:40:03 -0700 | [diff] [blame] | 1262 | //If there is no existing entry we must assume this is the most recent |
| 1263 | //update. However this might not always be the case as we might have a |
| 1264 | //POST then DELETE reordering. |
| 1265 | //if (oldEntry == null || !newEntry.getNextHop().equals(oldEntry.getNextHop())) { |
| 1266 | if (oldEntry == null) { |
| 1267 | return true; |
| 1268 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1269 | |
Jonathan Hart | e4c9869 | 2013-10-18 17:40:03 -0700 | [diff] [blame] | 1270 | // This handles the case where routes are gathered in the initial |
| 1271 | // request because they don't have sequence number info |
| 1272 | if (newEntry.getSysUpTime() == -1 && newEntry.getSequenceNum() == -1) { |
| 1273 | return true; |
| 1274 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1275 | |
Jonathan Hart | e4c9869 | 2013-10-18 17:40:03 -0700 | [diff] [blame] | 1276 | if (newEntry.getSysUpTime() > oldEntry.getSysUpTime()) { |
| 1277 | return true; |
| 1278 | } |
| 1279 | else if (newEntry.getSysUpTime() == oldEntry.getSysUpTime()) { |
| 1280 | if (newEntry.getSequenceNum() > oldEntry.getSequenceNum()) { |
| 1281 | return true; |
| 1282 | } |
| 1283 | else { |
| 1284 | return false; |
| 1285 | } |
| 1286 | } |
| 1287 | else { |
| 1288 | return false; |
| 1289 | } |
| 1290 | } |
pingping-lin | a2cbfad | 2013-03-07 08:39:21 +0800 | [diff] [blame] | 1291 | |
Jonathan Hart | 02a59e4 | 2014-03-26 18:50:23 -0700 | [diff] [blame] | 1292 | // The code below should be reimplemented after removal of Floodlight's |
| 1293 | // ITopologyService API. It should be implemented on top of network graph |
| 1294 | // notifications. (It was pretty hacky anyway...) |
| 1295 | /* |
pingping-lin | a2cbfad | 2013-03-07 08:39:21 +0800 | [diff] [blame] | 1296 | @Override |
Jonathan Hart | 64c0b20 | 2013-08-20 15:45:07 +1200 | [diff] [blame] | 1297 | public void topologyChanged() { |
| 1298 | if (topologyReady) { |
| 1299 | return; |
| 1300 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1301 | |
Jonathan Hart | 1236a9b | 2013-06-18 22:10:05 +1200 | [diff] [blame] | 1302 | boolean refreshNeeded = false; |
Pavlin Radoslavov | 15954d4 | 2013-10-19 15:29:04 -0700 | [diff] [blame] | 1303 | for (LDUpdate ldu : topologyService.getLastLinkUpdates()){ |
Jonathan Hart | 1236a9b | 2013-06-18 22:10:05 +1200 | [diff] [blame] | 1304 | if (!ldu.getOperation().equals(ILinkDiscovery.UpdateOperation.LINK_UPDATED)){ |
| 1305 | //We don't need to recalculate anything for just link updates |
Jonathan Hart | b39a67d | 2013-08-10 23:59:50 +1200 | [diff] [blame] | 1306 | //They happen very frequently |
Jonathan Hart | 1236a9b | 2013-06-18 22:10:05 +1200 | [diff] [blame] | 1307 | refreshNeeded = true; |
| 1308 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1309 | |
Jonathan Hart | 1236a9b | 2013-06-18 22:10:05 +1200 | [diff] [blame] | 1310 | log.debug("Topo change {}", ldu.getOperation()); |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1311 | |
Jonathan Hart | 98957bf | 2013-07-01 14:49:24 +1200 | [diff] [blame] | 1312 | if (ldu.getOperation().equals(ILinkDiscovery.UpdateOperation.LINK_ADDED)){ |
| 1313 | synchronized (linkUpdates) { |
| 1314 | linkUpdates.add(ldu); |
| 1315 | } |
| 1316 | } |
Jonathan Hart | 1236a9b | 2013-06-18 22:10:05 +1200 | [diff] [blame] | 1317 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1318 | |
Jonathan Hart | 64c0b20 | 2013-08-20 15:45:07 +1200 | [diff] [blame] | 1319 | if (refreshNeeded && !topologyReady){ |
Jonathan Hart | 98957bf | 2013-07-01 14:49:24 +1200 | [diff] [blame] | 1320 | topologyChangeDetectorTask.reschedule(TOPO_DETECTION_WAIT, TimeUnit.SECONDS); |
pingping-lin | a2cbfad | 2013-03-07 08:39:21 +0800 | [diff] [blame] | 1321 | } |
Jonathan Hart | 1236a9b | 2013-06-18 22:10:05 +1200 | [diff] [blame] | 1322 | } |
Jonathan Hart | 02a59e4 | 2014-03-26 18:50:23 -0700 | [diff] [blame] | 1323 | */ |
Jonathan Hart | 64c0b20 | 2013-08-20 15:45:07 +1200 | [diff] [blame] | 1324 | |
| 1325 | @Override |
| 1326 | public void addedSwitch(IOFSwitch sw) { |
| 1327 | if (!topologyReady) { |
| 1328 | sw.clearAllFlowMods(); |
| 1329 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1330 | |
Jonathan Hart | 1912afc | 2013-10-11 12:02:44 +1300 | [diff] [blame] | 1331 | flowCache.switchConnected(sw); |
Jonathan Hart | 64c0b20 | 2013-08-20 15:45:07 +1200 | [diff] [blame] | 1332 | } |
| 1333 | |
| 1334 | @Override |
Jonathan Hart | 08ee852 | 2013-09-22 17:34:43 +1200 | [diff] [blame] | 1335 | public void removedSwitch(IOFSwitch sw) {} |
Jonathan Hart | 64c0b20 | 2013-08-20 15:45:07 +1200 | [diff] [blame] | 1336 | |
| 1337 | @Override |
Jonathan Hart | 08ee852 | 2013-09-22 17:34:43 +1200 | [diff] [blame] | 1338 | public void switchPortChanged(Long switchId) {} |
Jonathan Hart | 64c0b20 | 2013-08-20 15:45:07 +1200 | [diff] [blame] | 1339 | |
| 1340 | @Override |
| 1341 | public String getName() { |
Jonathan Hart | 08ee852 | 2013-09-22 17:34:43 +1200 | [diff] [blame] | 1342 | return "BgpRoute"; |
| 1343 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1344 | |
Jonathan Hart | 08ee852 | 2013-09-22 17:34:43 +1200 | [diff] [blame] | 1345 | /* |
Jonathan Hart | a888764 | 2013-10-28 13:46:54 -0700 | [diff] [blame] | 1346 | * IConfigInfoService methods |
Jonathan Hart | 08ee852 | 2013-09-22 17:34:43 +1200 | [diff] [blame] | 1347 | */ |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1348 | |
Jonathan Hart | 08ee852 | 2013-09-22 17:34:43 +1200 | [diff] [blame] | 1349 | @Override |
| 1350 | public boolean isInterfaceAddress(InetAddress address) { |
| 1351 | Interface intf = interfacePtrie.match(new Prefix(address.getAddress(), 32)); |
| 1352 | return (intf != null && intf.getIpAddress().equals(address)); |
| 1353 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1354 | |
Jonathan Hart | 08ee852 | 2013-09-22 17:34:43 +1200 | [diff] [blame] | 1355 | @Override |
| 1356 | public boolean inConnectedNetwork(InetAddress address) { |
| 1357 | Interface intf = interfacePtrie.match(new Prefix(address.getAddress(), 32)); |
| 1358 | return (intf != null && !intf.getIpAddress().equals(address)); |
| 1359 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1360 | |
Jonathan Hart | 08ee852 | 2013-09-22 17:34:43 +1200 | [diff] [blame] | 1361 | @Override |
| 1362 | public boolean fromExternalNetwork(long inDpid, short inPort) { |
| 1363 | for (Interface intf : interfaces.values()) { |
| 1364 | if (intf.getDpid() == inDpid && intf.getPort() == inPort) { |
| 1365 | return true; |
| 1366 | } |
| 1367 | } |
| 1368 | return false; |
| 1369 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1370 | |
Jonathan Hart | 08ee852 | 2013-09-22 17:34:43 +1200 | [diff] [blame] | 1371 | @Override |
| 1372 | public Interface getOutgoingInterface(InetAddress dstIpAddress) { |
| 1373 | return interfacePtrie.match(new Prefix(dstIpAddress.getAddress(), 32)); |
| 1374 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1375 | |
Jonathan Hart | 08ee852 | 2013-09-22 17:34:43 +1200 | [diff] [blame] | 1376 | @Override |
| 1377 | public boolean hasLayer3Configuration() { |
| 1378 | return !interfaces.isEmpty(); |
| 1379 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1380 | |
Jonathan Hart | 08ee852 | 2013-09-22 17:34:43 +1200 | [diff] [blame] | 1381 | @Override |
| 1382 | public MACAddress getRouterMacAddress() { |
| 1383 | return bgpdMacAddress; |
Jonathan Hart | 64c0b20 | 2013-08-20 15:45:07 +1200 | [diff] [blame] | 1384 | } |
Yuta HIGUCHI | e7eac18 | 2014-03-19 19:18:30 -0700 | [diff] [blame] | 1385 | |
Jonathan Hart | a888764 | 2013-10-28 13:46:54 -0700 | [diff] [blame] | 1386 | @Override |
| 1387 | public short getVlan() { |
| 1388 | return vlan; |
| 1389 | } |
pingping-lin | a2cbfad | 2013-03-07 08:39:21 +0800 | [diff] [blame] | 1390 | } |