Jonathan Hart | 23701d1 | 2014-04-03 10:45:48 -0700 | [diff] [blame] | 1 | package net.onrc.onos.core.flowprogrammer; |
Brian O'Connor | 8c166a7 | 2013-11-14 18:41:48 -0800 | [diff] [blame] | 2 | |
| 3 | import java.util.ArrayList; |
| 4 | import java.util.Collection; |
| 5 | import java.util.HashMap; |
| 6 | import java.util.Map; |
Brian O'Connor | ea1efbe | 2013-11-25 22:57:43 -0800 | [diff] [blame] | 7 | |
Brian O'Connor | 8c166a7 | 2013-11-14 18:41:48 -0800 | [diff] [blame] | 8 | import net.floodlightcontroller.core.IFloodlightProviderService; |
Brian O'Connor | ea1efbe | 2013-11-25 22:57:43 -0800 | [diff] [blame] | 9 | import net.floodlightcontroller.core.IOFSwitch; |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 10 | import net.floodlightcontroller.core.IOFSwitch.PortChangeType; |
Brian O'Connor | ea1efbe | 2013-11-25 22:57:43 -0800 | [diff] [blame] | 11 | import net.floodlightcontroller.core.IOFSwitchListener; |
Brian O'Connor | 8c166a7 | 2013-11-14 18:41:48 -0800 | [diff] [blame] | 12 | import net.floodlightcontroller.core.module.FloodlightModuleContext; |
| 13 | import net.floodlightcontroller.core.module.FloodlightModuleException; |
| 14 | import net.floodlightcontroller.core.module.IFloodlightModule; |
| 15 | import net.floodlightcontroller.core.module.IFloodlightService; |
Naoki Shiota | 2a35b44 | 2013-11-26 19:17:38 -0800 | [diff] [blame] | 16 | import net.floodlightcontroller.restserver.IRestApiService; |
Jonathan Hart | 23701d1 | 2014-04-03 10:45:48 -0700 | [diff] [blame] | 17 | import net.onrc.onos.core.flowprogrammer.web.FlowProgrammerWebRoutable; |
Jonathan Hart | deda0ba | 2014-04-03 11:14:12 -0700 | [diff] [blame] | 18 | import net.onrc.onos.core.registry.IControllerRegistryService; |
Jonathan Hart | 5302b6c | 2014-08-13 15:57:59 -0700 | [diff] [blame] | 19 | import net.onrc.onos.core.util.Dpid; |
Brian O'Connor | 8c166a7 | 2013-11-14 18:41:48 -0800 | [diff] [blame] | 20 | |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 21 | import org.projectfloodlight.openflow.protocol.OFPortDesc; |
Jonathan Hart | a99ec67 | 2014-04-03 11:30:34 -0700 | [diff] [blame] | 22 | import org.slf4j.Logger; |
| 23 | import org.slf4j.LoggerFactory; |
| 24 | |
Naoki Shiota | e319973 | 2013-11-25 16:14:43 -0800 | [diff] [blame] | 25 | /** |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 26 | * FlowProgrammer is a module responsible to maintain flows installed to |
| 27 | * switches. FlowProgrammer consists of FlowPusher and FlowSynchronizer. |
| 28 | * FlowPusher manages the rate of installation, and FlowSynchronizer |
| 29 | * synchronizes flows between GraphDB and switches. FlowProgrammer also watch |
| 30 | * the event of addition/deletion of switches to start/stop synchronization. |
| 31 | * When a switch is added to network, FlowProgrammer immediately kicks |
| 32 | * synchronization to keep switch's flow table latest state. Adversely, when a |
| 33 | * switch is removed from network, FlowProgrammer immediately stops |
| 34 | * synchronization. |
Naoki Shiota | e319973 | 2013-11-25 16:14:43 -0800 | [diff] [blame] | 35 | */ |
Ray Milkey | 8e5170e | 2014-04-02 12:09:55 -0700 | [diff] [blame] | 36 | public class FlowProgrammer implements IFloodlightModule, |
Ray Milkey | 8e5170e | 2014-04-02 12:09:55 -0700 | [diff] [blame] | 37 | IOFSwitchListener { |
Naoki Shiota | e319973 | 2013-11-25 16:14:43 -0800 | [diff] [blame] | 38 | // flag to enable FlowSynchronizer |
Ray Milkey | 5c9f2db | 2014-04-09 10:31:21 -0700 | [diff] [blame] | 39 | private static final boolean ENABLE_FLOW_SYNC = false; |
Naoki Shiota | df051d4 | 2014-01-20 16:12:41 -0800 | [diff] [blame] | 40 | protected static final Logger log = LoggerFactory.getLogger(FlowProgrammer.class); |
Brian O'Connor | 8c166a7 | 2013-11-14 18:41:48 -0800 | [diff] [blame] | 41 | protected volatile IFloodlightProviderService floodlightProvider; |
Brian O'Connor | ea1efbe | 2013-11-25 22:57:43 -0800 | [diff] [blame] | 42 | protected volatile IControllerRegistryService registryService; |
Naoki Shiota | 2a35b44 | 2013-11-26 19:17:38 -0800 | [diff] [blame] | 43 | protected volatile IRestApiService restApi; |
Brian O'Connor | ea1efbe | 2013-11-25 22:57:43 -0800 | [diff] [blame] | 44 | |
Brian O'Connor | 8c166a7 | 2013-11-14 18:41:48 -0800 | [diff] [blame] | 45 | protected FlowPusher pusher; |
| 46 | private static final int NUM_PUSHER_THREAD = 1; |
| 47 | |
| 48 | protected FlowSynchronizer synchronizer; |
Ray Milkey | 8e5170e | 2014-04-02 12:09:55 -0700 | [diff] [blame] | 49 | |
Brian O'Connor | 8c166a7 | 2013-11-14 18:41:48 -0800 | [diff] [blame] | 50 | public FlowProgrammer() { |
Ray Milkey | 8e5170e | 2014-04-02 12:09:55 -0700 | [diff] [blame] | 51 | pusher = new FlowPusher(NUM_PUSHER_THREAD); |
Ray Milkey | 5c9f2db | 2014-04-09 10:31:21 -0700 | [diff] [blame] | 52 | if (ENABLE_FLOW_SYNC) { |
Ray Milkey | 8e5170e | 2014-04-02 12:09:55 -0700 | [diff] [blame] | 53 | synchronizer = new FlowSynchronizer(); |
| 54 | } |
Brian O'Connor | 8c166a7 | 2013-11-14 18:41:48 -0800 | [diff] [blame] | 55 | } |
Ray Milkey | 8e5170e | 2014-04-02 12:09:55 -0700 | [diff] [blame] | 56 | |
Brian O'Connor | 8c166a7 | 2013-11-14 18:41:48 -0800 | [diff] [blame] | 57 | @Override |
| 58 | public void init(FloodlightModuleContext context) |
Ray Milkey | 8e5170e | 2014-04-02 12:09:55 -0700 | [diff] [blame] | 59 | throws FloodlightModuleException { |
| 60 | floodlightProvider = context.getServiceImpl(IFloodlightProviderService.class); |
| 61 | registryService = context.getServiceImpl(IControllerRegistryService.class); |
| 62 | restApi = context.getServiceImpl(IRestApiService.class); |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 63 | pusher.init(context); |
Ray Milkey | 5c9f2db | 2014-04-09 10:31:21 -0700 | [diff] [blame] | 64 | if (ENABLE_FLOW_SYNC) { |
Ray Milkey | 8e5170e | 2014-04-02 12:09:55 -0700 | [diff] [blame] | 65 | synchronizer.init(pusher); |
| 66 | } |
Brian O'Connor | 8c166a7 | 2013-11-14 18:41:48 -0800 | [diff] [blame] | 67 | } |
| 68 | |
| 69 | @Override |
| 70 | public void startUp(FloodlightModuleContext context) { |
Ray Milkey | 8e5170e | 2014-04-02 12:09:55 -0700 | [diff] [blame] | 71 | restApi.addRestletRoutable(new FlowProgrammerWebRoutable()); |
| 72 | pusher.start(); |
Ray Milkey | 8e5170e | 2014-04-02 12:09:55 -0700 | [diff] [blame] | 73 | floodlightProvider.addOFSwitchListener(this); |
Brian O'Connor | 8c166a7 | 2013-11-14 18:41:48 -0800 | [diff] [blame] | 74 | } |
| 75 | |
| 76 | @Override |
| 77 | public Collection<Class<? extends IFloodlightService>> getModuleServices() { |
Ray Milkey | 8e5170e | 2014-04-02 12:09:55 -0700 | [diff] [blame] | 78 | Collection<Class<? extends IFloodlightService>> l = |
| 79 | new ArrayList<Class<? extends IFloodlightService>>(); |
| 80 | l.add(IFlowPusherService.class); |
Ray Milkey | 5c9f2db | 2014-04-09 10:31:21 -0700 | [diff] [blame] | 81 | if (ENABLE_FLOW_SYNC) { |
Ray Milkey | 8e5170e | 2014-04-02 12:09:55 -0700 | [diff] [blame] | 82 | l.add(IFlowSyncService.class); |
| 83 | } |
| 84 | return l; |
Brian O'Connor | 8c166a7 | 2013-11-14 18:41:48 -0800 | [diff] [blame] | 85 | } |
| 86 | |
| 87 | @Override |
| 88 | public Map<Class<? extends IFloodlightService>, IFloodlightService> getServiceImpls() { |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 89 | Map<Class<? extends IFloodlightService>, IFloodlightService> m = |
Ray Milkey | 8e5170e | 2014-04-02 12:09:55 -0700 | [diff] [blame] | 90 | new HashMap<Class<? extends IFloodlightService>, |
| 91 | IFloodlightService>(); |
| 92 | m.put(IFlowPusherService.class, pusher); |
Ray Milkey | 5c9f2db | 2014-04-09 10:31:21 -0700 | [diff] [blame] | 93 | if (ENABLE_FLOW_SYNC) { |
Ray Milkey | 8e5170e | 2014-04-02 12:09:55 -0700 | [diff] [blame] | 94 | m.put(IFlowSyncService.class, synchronizer); |
| 95 | } |
| 96 | return m; |
Brian O'Connor | 8c166a7 | 2013-11-14 18:41:48 -0800 | [diff] [blame] | 97 | } |
| 98 | |
| 99 | @Override |
| 100 | public Collection<Class<? extends IFloodlightService>> getModuleDependencies() { |
Ray Milkey | 8e5170e | 2014-04-02 12:09:55 -0700 | [diff] [blame] | 101 | Collection<Class<? extends IFloodlightService>> l = |
| 102 | new ArrayList<Class<? extends IFloodlightService>>(); |
| 103 | l.add(IFloodlightProviderService.class); |
| 104 | l.add(IRestApiService.class); |
| 105 | return l; |
Brian O'Connor | 8c166a7 | 2013-11-14 18:41:48 -0800 | [diff] [blame] | 106 | } |
Brian O'Connor | ea1efbe | 2013-11-25 22:57:43 -0800 | [diff] [blame] | 107 | |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 108 | // *********************** |
| 109 | // IOFSwitchListener |
| 110 | // *********************** |
| 111 | |
Brian O'Connor | ea1efbe | 2013-11-25 22:57:43 -0800 | [diff] [blame] | 112 | @Override |
| 113 | public String getName() { |
Ray Milkey | 8e5170e | 2014-04-02 12:09:55 -0700 | [diff] [blame] | 114 | return "FlowProgrammer"; |
Brian O'Connor | ea1efbe | 2013-11-25 22:57:43 -0800 | [diff] [blame] | 115 | } |
| 116 | |
| 117 | @Override |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 118 | public void switchActivatedMaster(long swId) { |
| 119 | IOFSwitch sw = floodlightProvider.getSwitch(swId); |
| 120 | if (sw == null) { |
| 121 | log.warn("Added switch not available {} ", swId); |
| 122 | return; |
| 123 | } |
| 124 | log.debug("Switch added: {}", swId); |
Brian O'Connor | ea1efbe | 2013-11-25 22:57:43 -0800 | [diff] [blame] | 125 | |
Ray Milkey | 5c9f2db | 2014-04-09 10:31:21 -0700 | [diff] [blame] | 126 | if (ENABLE_FLOW_SYNC) { |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 127 | if (registryService.hasControl(swId)) { |
Ray Milkey | 8e5170e | 2014-04-02 12:09:55 -0700 | [diff] [blame] | 128 | synchronizer.synchronize(sw); |
| 129 | } |
| 130 | } |
Brian O'Connor | ea1efbe | 2013-11-25 22:57:43 -0800 | [diff] [blame] | 131 | } |
| 132 | |
| 133 | @Override |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 134 | public void switchActivatedEqual(long swId) { |
| 135 | // TODO Auto-generated method stub |
| 136 | |
| 137 | } |
| 138 | |
| 139 | @Override |
| 140 | public void switchMasterToEqual(long swId) { |
| 141 | // TODO Auto-generated method stub |
| 142 | |
| 143 | } |
| 144 | |
| 145 | @Override |
| 146 | public void switchEqualToMaster(long swId) { |
| 147 | // for now treat as switchActivatedMaster |
| 148 | switchActivatedMaster(swId); |
| 149 | } |
| 150 | |
| 151 | @Override |
| 152 | public void switchDisconnected(long swId) { |
Jonathan Hart | 5302b6c | 2014-08-13 15:57:59 -0700 | [diff] [blame] | 153 | Dpid dpid = new Dpid(swId); |
| 154 | log.debug("Switch removed: {}", dpid); |
Ray Milkey | 8e5170e | 2014-04-02 12:09:55 -0700 | [diff] [blame] | 155 | |
Jonathan Hart | 5302b6c | 2014-08-13 15:57:59 -0700 | [diff] [blame] | 156 | //if (ENABLE_FLOW_SYNC) { |
| 157 | //synchronizer.interrupt(sw); |
| 158 | //} |
| 159 | pusher.deleteQueue(dpid, true); |
Brian O'Connor | ea1efbe | 2013-11-25 22:57:43 -0800 | [diff] [blame] | 160 | } |
| 161 | |
| 162 | @Override |
Brian O'Connor | c67f9fa | 2014-08-07 18:17:46 -0700 | [diff] [blame] | 163 | public void switchPortChanged(long swId, OFPortDesc port, PortChangeType pct) { |
Ray Milkey | 8e5170e | 2014-04-02 12:09:55 -0700 | [diff] [blame] | 164 | // TODO Auto-generated method stub |
Brian O'Connor | ea1efbe | 2013-11-25 22:57:43 -0800 | [diff] [blame] | 165 | } |
Ray Milkey | 8e5170e | 2014-04-02 12:09:55 -0700 | [diff] [blame] | 166 | |
Brian O'Connor | 8c166a7 | 2013-11-14 18:41:48 -0800 | [diff] [blame] | 167 | } |