| package net.onrc.onos.ofcontroller.floodlightlistener; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Map; |
| import java.util.concurrent.ScheduledExecutorService; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.openflow.protocol.OFPhysicalPort; |
| import org.openflow.util.HexString; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import net.floodlightcontroller.core.IFloodlightProviderService; |
| import net.floodlightcontroller.core.IOFSwitch; |
| import net.floodlightcontroller.core.IOFSwitchListener; |
| import net.floodlightcontroller.core.module.FloodlightModuleContext; |
| import net.floodlightcontroller.core.module.FloodlightModuleException; |
| import net.floodlightcontroller.core.module.IFloodlightModule; |
| import net.floodlightcontroller.core.module.IFloodlightService; |
| import net.floodlightcontroller.core.util.SingletonTask; |
| import net.floodlightcontroller.devicemanager.IDevice; |
| import net.floodlightcontroller.devicemanager.IDeviceListener; |
| import net.floodlightcontroller.devicemanager.IDeviceService; |
| import net.floodlightcontroller.routing.Link; |
| import net.floodlightcontroller.threadpool.IThreadPoolService; |
| import net.onrc.onos.graph.GraphDBConnection; |
| import net.onrc.onos.graph.GraphDBOperation; |
| import net.onrc.onos.graph.IDBConnection; |
| import net.onrc.onos.graph.LocalTopologyEventListener; |
| import net.onrc.onos.ofcontroller.core.IDeviceStorage; |
| import net.onrc.onos.ofcontroller.core.ILinkStorage; |
| import net.onrc.onos.ofcontroller.core.IOFSwitchPortListener; |
| import net.onrc.onos.ofcontroller.core.ISwitchStorage; |
| import net.onrc.onos.ofcontroller.core.INetMapStorage.DM_OPERATION; |
| import net.onrc.onos.ofcontroller.core.INetMapTopologyObjects.ISwitchObject; |
| import net.onrc.onos.ofcontroller.core.ISwitchStorage.SwitchState; |
| import net.onrc.onos.ofcontroller.core.internal.DeviceStorageImpl; |
| import net.onrc.onos.ofcontroller.core.internal.LinkStorageImpl; |
| import net.onrc.onos.ofcontroller.core.internal.SwitchStorageImpl; |
| import net.onrc.onos.ofcontroller.linkdiscovery.ILinkDiscoveryListener; |
| import net.onrc.onos.ofcontroller.linkdiscovery.ILinkDiscoveryService; |
| import net.onrc.onos.ofcontroller.linkdiscovery.LinkInfo; |
| import net.onrc.onos.registry.controller.IControllerRegistryService; |
| import net.onrc.onos.registry.controller.IControllerRegistryService.ControlChangeCallback; |
| import net.onrc.onos.registry.controller.RegistryException; |
| |
| public class NetworkGraphPublisher implements IDeviceListener, IOFSwitchListener, IOFSwitchPortListener, |
| ILinkDiscoveryListener, IFloodlightModule { |
| |
| protected IDeviceStorage devStore; |
| protected ISwitchStorage swStore; |
| protected ILinkStorage linkStore; |
| protected static Logger log; |
| protected IDeviceService deviceService; |
| protected IControllerRegistryService registryService; |
| protected GraphDBOperation op; |
| |
| protected static final String DBConfigFile = "dbconf"; |
| protected static final String CleanupEnabled = "EnableCleanup"; |
| protected IThreadPoolService threadPool; |
| protected IFloodlightProviderService floodlightProvider; |
| |
| protected final int CLEANUP_TASK_INTERVAL = 60; // 1 min |
| protected SingletonTask cleanupTask; |
| protected ILinkDiscoveryService linkDiscovery; |
| |
| /** |
| * Cleanup and synch switch state from registry |
| */ |
| protected class SwitchCleanup implements ControlChangeCallback, Runnable { |
| @Override |
| public void run() { |
| try { |
| log.debug("Running cleanup thread"); |
| switchCleanup(); |
| } |
| catch (Exception e) { |
| log.error("Error in cleanup thread", e); |
| } finally { |
| op.close(); |
| cleanupTask.reschedule(CLEANUP_TASK_INTERVAL, |
| TimeUnit.SECONDS); |
| } |
| } |
| |
| @Override |
| public void controlChanged(long dpid, boolean hasControl) { |
| // TODO Auto-generated method stub |
| |
| if (hasControl) { |
| log.debug("got control to set inactive sw {}", HexString.toHexString(dpid)); |
| swStore.update(HexString.toHexString(dpid),SwitchState.INACTIVE, DM_OPERATION.UPDATE); |
| registryService.releaseControl(dpid); |
| } |
| } |
| } |
| |
| protected void switchCleanup() { |
| op.close(); |
| Iterable<ISwitchObject> switches = op.getActiveSwitches(); |
| |
| log.debug("Checking for inactive switches"); |
| // For each switch check if a controller exists in controller registry |
| for (ISwitchObject sw: switches) { |
| //log.debug("checking if switch is inactive: {}", sw.getDPID()); |
| try { |
| long dpid = HexString.toLong(sw.getDPID()); |
| String controller = registryService.getControllerForSwitch(dpid); |
| if (controller == null) { |
| log.debug("request Control to set inactive sw {}", HexString.toHexString(dpid)); |
| registryService.requestControl(dpid, new SwitchCleanup()); |
| //} else { |
| // log.debug("sw {} is controlled by controller: {}",HexString.toHexString(dpid),controller); |
| } |
| } catch (NumberFormatException e) { |
| // TODO Auto-generated catch block |
| e.printStackTrace(); |
| } catch (RegistryException e) { |
| log.debug("Caught RegistryException trying to requestControl in cleanup thread"); |
| e.printStackTrace(); |
| } |
| } |
| op.close(); |
| } |
| |
| @Override |
| public void linkDiscoveryUpdate(LDUpdate update) { |
| // TODO Auto-generated method stub |
| Link lt = new Link(update.getSrc(),update.getSrcPort(),update.getDst(),update.getDstPort()); |
| //log.debug("{}:LinkDicoveryUpdate(): Updating Link {}",this.getClass(), lt); |
| |
| switch (update.getOperation()) { |
| case LINK_REMOVED: |
| log.debug("LinkDiscoveryUpdate(): Removing link {}", lt); |
| linkStore.deleteLink(lt); |
| // TODO: Move network map link removal here |
| // reconcile paths here |
| // IPortObject srcPort = conn.utils().searchPort(conn, HexString.toHexString(update.getSrc()), update.getSrcPort()); |
| break; |
| case LINK_UPDATED: |
| log.debug("LinkDiscoveryUpdate(): Updating link {}", lt); |
| LinkInfo linfo = linkStore.getLinkInfo(lt); |
| // TODO update "linfo" using portState derived using "update" |
| linkStore.update(lt, linfo, DM_OPERATION.UPDATE); |
| break; |
| case LINK_ADDED: |
| log.debug("LinkDiscoveryUpdate(): Adding link {}", lt); |
| linkStore.addLink(lt); |
| break; |
| |
| default: |
| break; |
| } |
| |
| } |
| |
| @Override |
| public void addedSwitch(IOFSwitch sw) { |
| |
| if (registryService.hasControl(sw.getId())) { |
| swStore.addSwitch(sw); |
| } |
| |
| } |
| |
| @Override |
| public void removedSwitch(IOFSwitch sw) { |
| // TODO Auto-generated method stub |
| |
| } |
| |
| @Override |
| public void switchPortChanged(Long switchId) { |
| // TODO Auto-generated method stub |
| |
| } |
| |
| |
| @Override |
| public void switchPortAdded(Long switchId, OFPhysicalPort port) { |
| // TODO Auto-generated method stub |
| swStore.addPort(HexString.toHexString(switchId), port); |
| } |
| |
| @Override |
| public void switchPortRemoved(Long switchId, OFPhysicalPort port) { |
| // TODO Auto-generated method stub |
| swStore.deletePort(HexString.toHexString(switchId), port.getPortNumber()); |
| } |
| |
| @Override |
| public String getName() { |
| return "NetworkGraphPublisher"; |
| } |
| |
| @Override |
| public void deviceAdded(IDevice device) { |
| // TODO Auto-generated method stub |
| log.debug("{}:deviceAdded(): Adding device {}",this.getClass(),device.getMACAddressString()); |
| devStore.addDevice(device); |
| } |
| |
| @Override |
| public void deviceRemoved(IDevice device) { |
| // TODO Auto-generated method stub |
| |
| } |
| |
| @Override |
| public void deviceMoved(IDevice device) { |
| // TODO Auto-generated method stub |
| devStore.changeDeviceAttachments(device); |
| |
| } |
| |
| @Override |
| public void deviceIPV4AddrChanged(IDevice device) { |
| // TODO Auto-generated method stub |
| devStore.changeDeviceIPv4Address(device); |
| |
| } |
| |
| @Override |
| public void deviceVlanChanged(IDevice device) { |
| // TODO Auto-generated method stub |
| } |
| |
| |
| @Override |
| public Collection<Class<? extends IFloodlightService>> getModuleServices() { |
| // TODO Auto-generated method stub |
| return null; |
| } |
| |
| @Override |
| public Map<Class<? extends IFloodlightService>, IFloodlightService> getServiceImpls() { |
| // TODO Auto-generated method stub |
| return null; |
| } |
| |
| @Override |
| public Collection<Class<? extends IFloodlightService>> getModuleDependencies() { |
| Collection<Class<? extends IFloodlightService>> l = |
| new ArrayList<Class<? extends IFloodlightService>>(); |
| l.add(IFloodlightProviderService.class); |
| l.add(IDeviceService.class); |
| l.add(IThreadPoolService.class); |
| return l; |
| } |
| |
| @Override |
| public void init(FloodlightModuleContext context) |
| throws FloodlightModuleException { |
| // TODO Auto-generated method stub |
| Map<String, String> configMap = context.getConfigParams(this); |
| String conf = configMap.get(DBConfigFile); |
| op = new GraphDBOperation(conf); |
| |
| log = LoggerFactory.getLogger(NetworkGraphPublisher.class); |
| floodlightProvider = |
| context.getServiceImpl(IFloodlightProviderService.class); |
| deviceService = context.getServiceImpl(IDeviceService.class); |
| linkDiscovery = context.getServiceImpl(ILinkDiscoveryService.class); |
| threadPool = context.getServiceImpl(IThreadPoolService.class); |
| registryService = context.getServiceImpl(IControllerRegistryService.class); |
| |
| devStore = new DeviceStorageImpl(); |
| devStore.init(conf); |
| |
| swStore = new SwitchStorageImpl(); |
| swStore.init(conf); |
| |
| linkStore = new LinkStorageImpl(); |
| linkStore.init(conf); |
| |
| log.debug("Initializing NetworkGraphPublisher module with {}", conf); |
| |
| } |
| |
| @Override |
| public void startUp(FloodlightModuleContext context) { |
| // TODO Auto-generated method stub |
| Map<String, String> configMap = context.getConfigParams(this); |
| String cleanupNeeded = configMap.get(CleanupEnabled); |
| |
| deviceService.addListener(this); |
| floodlightProvider.addOFSwitchListener(this); |
| linkDiscovery.addListener(this); |
| |
| log.debug("Adding EventListener"); |
| IDBConnection conn = op.getDBConnection(); |
| conn.addEventListener(new LocalTopologyEventListener((GraphDBConnection) conn)); |
| // Setup the Cleanup task. |
| if (cleanupNeeded == null || !cleanupNeeded.equals("False")) { |
| ScheduledExecutorService ses = threadPool.getScheduledExecutor(); |
| cleanupTask = new SingletonTask(ses, new SwitchCleanup()); |
| cleanupTask.reschedule(CLEANUP_TASK_INTERVAL, TimeUnit.SECONDS); |
| } |
| } |
| |
| } |