| package net.floodlightcontroller.core.module; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Iterator; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import net.floodlightcontroller.core.module.FloodlightModuleLoader; |
| import net.floodlightcontroller.core.module.IFloodlightModule; |
| import net.floodlightcontroller.core.test.MockFloodlightProvider; |
| import net.floodlightcontroller.core.test.MockThreadPoolService; |
| import net.floodlightcontroller.counter.NullCounterStore; |
| import net.floodlightcontroller.devicemanager.internal.DefaultEntityClassifier; |
| import net.floodlightcontroller.devicemanager.test.MockDeviceManager; |
| import net.floodlightcontroller.perfmon.NullPktInProcessingTime; |
| import net.floodlightcontroller.storage.memory.MemoryStorageSource; |
| import net.floodlightcontroller.topology.TopologyManager; |
| |
| public class FloodlightTestModuleLoader extends FloodlightModuleLoader { |
| protected static Logger log = LoggerFactory.getLogger(FloodlightTestModuleLoader.class); |
| |
| // List of default modules to use unless specified otherwise |
| public static final Class<? extends IFloodlightModule> DEFAULT_STORAGE_SOURCE = |
| MemoryStorageSource.class; |
| public static final Class<? extends IFloodlightModule> DEFAULT_FLOODLIGHT_PRPOVIDER = |
| MockFloodlightProvider.class; |
| public static final Class<? extends IFloodlightModule> DEFAULT_TOPOLOGY_PROVIDER = |
| TopologyManager.class; |
| public static final Class<? extends IFloodlightModule> DEFAULT_DEVICE_SERVICE = |
| MockDeviceManager.class; |
| public static final Class<? extends IFloodlightModule> DEFAULT_COUNTER_STORE = |
| NullCounterStore.class; |
| public static final Class<? extends IFloodlightModule> DEFAULT_THREADPOOL = |
| MockThreadPoolService.class; |
| public static final Class<? extends IFloodlightModule> DEFAULT_ENTITY_CLASSIFIER = |
| DefaultEntityClassifier.class; |
| public static final Class<? extends IFloodlightModule> DEFAULT_PERFMON = |
| NullPktInProcessingTime.class; |
| |
| protected static final Collection<Class<? extends IFloodlightModule>> DEFAULT_MODULE_LIST; |
| |
| static { |
| DEFAULT_MODULE_LIST = new ArrayList<Class<? extends IFloodlightModule>>(); |
| DEFAULT_MODULE_LIST.add(DEFAULT_DEVICE_SERVICE); |
| DEFAULT_MODULE_LIST.add(DEFAULT_FLOODLIGHT_PRPOVIDER); |
| DEFAULT_MODULE_LIST.add(DEFAULT_STORAGE_SOURCE); |
| DEFAULT_MODULE_LIST.add(DEFAULT_TOPOLOGY_PROVIDER); |
| DEFAULT_MODULE_LIST.add(DEFAULT_COUNTER_STORE); |
| DEFAULT_MODULE_LIST.add(DEFAULT_THREADPOOL); |
| DEFAULT_MODULE_LIST.add(DEFAULT_ENTITY_CLASSIFIER); |
| DEFAULT_MODULE_LIST.add(DEFAULT_PERFMON); |
| } |
| |
| protected IFloodlightModuleContext fmc; |
| |
| /** |
| * Adds default modules to the list of modules to load. This is done |
| * in order to avoid the module loader throwing errors about duplicate |
| * modules and neither one is specified by the user. |
| * @param userModules The list of user specified modules to add to. |
| */ |
| protected void addDefaultModules(Collection<Class<? extends IFloodlightModule>> userModules) { |
| Collection<Class<? extends IFloodlightModule>> defaultModules = |
| new ArrayList<Class<? extends IFloodlightModule>>(DEFAULT_MODULE_LIST.size()); |
| defaultModules.addAll(DEFAULT_MODULE_LIST); |
| |
| Iterator<Class<? extends IFloodlightModule>> modIter = userModules.iterator(); |
| while (modIter.hasNext()) { |
| Class<? extends IFloodlightModule> userMod = modIter.next(); |
| Iterator<Class<? extends IFloodlightModule>> dmIter = defaultModules.iterator(); |
| while (dmIter.hasNext()) { |
| Class<? extends IFloodlightModule> dmMod = dmIter.next(); |
| Collection<Class<? extends IFloodlightService>> userModServs; |
| Collection<Class<? extends IFloodlightService>> dmModServs; |
| try { |
| dmModServs = dmMod.newInstance().getModuleServices(); |
| userModServs = userMod.newInstance().getModuleServices(); |
| } catch (InstantiationException e) { |
| log.error(e.getMessage()); |
| break; |
| } catch (IllegalAccessException e) { |
| log.error(e.getMessage()); |
| break; |
| } |
| |
| // If either of these are null continue as they have no services |
| if (dmModServs == null || userModServs == null) continue; |
| |
| // If the user supplied modules has a service |
| // that is in the default module list we remove |
| // the default module from the list. |
| boolean shouldBreak = false; |
| Iterator<Class<? extends IFloodlightService>> userModServsIter |
| = userModServs.iterator(); |
| while (userModServsIter.hasNext()) { |
| Class<? extends IFloodlightService> userModServIntf = userModServsIter.next(); |
| Iterator<Class<? extends IFloodlightService>> dmModsServsIter |
| = dmModServs.iterator(); |
| while (dmModsServsIter.hasNext()) { |
| Class<? extends IFloodlightService> dmModServIntf |
| = dmModsServsIter.next(); |
| |
| if (dmModServIntf.getCanonicalName().equals( |
| userModServIntf.getCanonicalName())) { |
| logger.debug("Removing default module {} because it was " + |
| "overriden by an explicitly specified module", |
| dmModServIntf.getCanonicalName()); |
| dmIter.remove(); |
| shouldBreak = true; |
| break; |
| } |
| } |
| if (shouldBreak) break; |
| } |
| if (shouldBreak) break; |
| } |
| } |
| |
| // Append the remaining default modules to the user specified ones. |
| // This avoids the module loader throwing duplicate module errors. |
| userModules.addAll(defaultModules); |
| log.debug("Using module set " + userModules.toString()); |
| } |
| |
| /** |
| * Sets up all modules and their dependencies. |
| * @param modules The list of modules that the user wants to load. |
| * @param mockedServices The list of services that will be mocked. Any |
| * module that provides this service will not be loaded. |
| */ |
| public void setupModules(Collection<Class<? extends IFloodlightModule>> modules, |
| Collection<IFloodlightService> mockedServices) { |
| addDefaultModules(modules); |
| Collection<String> modulesAsString = new ArrayList<String>(); |
| for (Class<? extends IFloodlightModule> m : modules) { |
| modulesAsString.add(m.getCanonicalName()); |
| } |
| |
| try { |
| fmc = loadModulesFromList(modulesAsString, null, mockedServices); |
| } catch (FloodlightModuleException e) { |
| log.error(e.getMessage()); |
| } |
| } |
| |
| /** |
| * Gets the inited/started instance of a module from the context. |
| * @param ifl The name if the module to get, i.e. "LearningSwitch.class". |
| * @return The inited/started instance of the module. |
| */ |
| public IFloodlightModule getModuleByName(Class<? extends IFloodlightModule> ifl) { |
| Collection<IFloodlightModule> modules = fmc.getAllModules(); |
| for (IFloodlightModule m : modules) { |
| if (ifl.getCanonicalName().equals(m.getClass().getCanonicalName())) { |
| return m; |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Gets an inited/started instance of a service from the context. |
| * @param ifs The name of the service to get, i.e. "ITopologyService.class". |
| * @return The inited/started instance of the service from teh context. |
| */ |
| public IFloodlightService getModuleByService(Class<? extends IFloodlightService> ifs) { |
| Collection<IFloodlightModule> modules = fmc.getAllModules(); |
| for (IFloodlightModule m : modules) { |
| Collection<Class<? extends IFloodlightService>> mServs = m.getModuleServices(); |
| if (mServs == null) continue; |
| for (Class<? extends IFloodlightService> mServClass : mServs) { |
| if (mServClass.getCanonicalName().equals(ifs.getCanonicalName())) { |
| assert(m instanceof IFloodlightService); |
| return (IFloodlightService)m; |
| } |
| } |
| } |
| return null; |
| } |
| } |