| package net.onrc.onos.datagrid; |
| |
| import java.io.FileNotFoundException; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import net.floodlightcontroller.core.IFloodlightProviderService; |
| 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 org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.hazelcast.config.Config; |
| import com.hazelcast.config.FileSystemXmlConfig; |
| import com.hazelcast.core.Hazelcast; |
| import com.hazelcast.core.HazelcastInstance; |
| import com.hazelcast.instance.GroupProperties; |
| |
| /** |
| * A datagrid service that uses Hazelcast as a datagrid. |
| * The relevant data is stored in the Hazelcast datagrid and shared as |
| * appropriate in a multi-node cluster. |
| */ |
| public class HazelcastDatagrid implements IFloodlightModule, IDatagridService { |
| protected static Logger log = |
| LoggerFactory.getLogger(HazelcastDatagrid.class); |
| |
| protected IFloodlightProviderService floodlightProvider; |
| |
| protected static final String HazelcastConfigFile = "datagridConfig"; |
| private HazelcastInstance hazelcast = null; |
| private Config hazelcastConfig = null; |
| |
| /** |
| * Initialize the Hazelcast Datagrid operation. |
| * |
| * @param conf the configuration filename. |
| */ |
| public void init(String configFilename) { |
| /* |
| System.setProperty("hazelcast.socket.receive.buffer.size", "32"); |
| System.setProperty("hazelcast.socket.send.buffer.size", "32"); |
| */ |
| // System.setProperty("hazelcast.heartbeat.interval.seconds", "100"); |
| |
| // Init from configuration file |
| try { |
| hazelcastConfig = new FileSystemXmlConfig(configFilename); |
| } catch (FileNotFoundException e) { |
| log.error("Error opening Hazelcast XML configuration. File not found: " + configFilename, e); |
| } |
| /* |
| hazelcastConfig.setProperty(GroupProperties.PROP_IO_THREAD_COUNT, "1"); |
| hazelcastConfig.setProperty(GroupProperties.PROP_OPERATION_THREAD_COUNT, "1"); |
| hazelcastConfig.setProperty(GroupProperties.PROP_EVENT_THREAD_COUNT, "1"); |
| */ |
| // |
| hazelcastConfig.setProperty(GroupProperties.PROP_EVENT_QUEUE_CAPACITY, "4000000"); |
| hazelcastConfig.setProperty(GroupProperties.PROP_SOCKET_RECEIVE_BUFFER_SIZE, "4096"); |
| hazelcastConfig.setProperty(GroupProperties.PROP_SOCKET_SEND_BUFFER_SIZE, "4096"); |
| } |
| |
| /** |
| * Shutdown the Hazelcast Datagrid operation. |
| */ |
| public void finalize() { |
| close(); |
| } |
| |
| /** |
| * Shutdown the Hazelcast Datagrid operation. |
| */ |
| public void close() { |
| Hazelcast.shutdownAll(); |
| } |
| |
| /** |
| * Get the collection of offered module services. |
| * |
| * @return the collection of offered module services. |
| */ |
| @Override |
| public Collection<Class<? extends IFloodlightService>> getModuleServices() { |
| Collection<Class<? extends IFloodlightService>> l = |
| new ArrayList<Class<? extends IFloodlightService>>(); |
| l.add(IDatagridService.class); |
| return l; |
| } |
| |
| /** |
| * Get the collection of implemented services. |
| * |
| * @return the collection of implemented services. |
| */ |
| @Override |
| public Map<Class<? extends IFloodlightService>, IFloodlightService> |
| getServiceImpls() { |
| Map<Class<? extends IFloodlightService>, |
| IFloodlightService> m = |
| new HashMap<Class<? extends IFloodlightService>, |
| IFloodlightService>(); |
| m.put(IDatagridService.class, this); |
| return m; |
| } |
| |
| /** |
| * Get the collection of modules this module depends on. |
| * |
| * @return the collection of modules this module depends on. |
| */ |
| @Override |
| public Collection<Class<? extends IFloodlightService>> |
| getModuleDependencies() { |
| Collection<Class<? extends IFloodlightService>> l = |
| new ArrayList<Class<? extends IFloodlightService>>(); |
| l.add(IFloodlightProviderService.class); |
| return l; |
| } |
| |
| /** |
| * Initialize the module. |
| * |
| * @param context the module context to use for the initialization. |
| */ |
| @Override |
| public void init(FloodlightModuleContext context) |
| throws FloodlightModuleException { |
| floodlightProvider = context.getServiceImpl(IFloodlightProviderService.class); |
| |
| // Get the configuration file name and configure the Datagrid |
| Map<String, String> configMap = context.getConfigParams(this); |
| String configFilename = configMap.get(HazelcastConfigFile); |
| this.init(configFilename); |
| } |
| |
| /** |
| * Startup module operation. |
| * |
| * @param context the module context to use for the startup. |
| */ |
| @Override |
| public void startUp(FloodlightModuleContext context) { |
| hazelcast = Hazelcast.newHazelcastInstance(hazelcastConfig); |
| } |
| } |