public EmReactor() { Timers = new TreeMap<Long, ArrayList<Long>>(); Connections = new HashMap<Long, EventableChannel>(); Acceptors = new HashMap<Long, ServerSocketChannel>(); NewConnections = new ArrayList<Long>(); UnboundConnections = new ArrayList<Long>(); DetachedConnections = new ArrayList<EventableSocketChannel>(); BindingIndex = 0; loopBreaker = new AtomicBoolean(); loopBreaker.set(false); myReadBuffer = ByteBuffer.allocate( 32 * 1024); // don't use a direct buffer. Ruby doesn't seem to like them. timerQuantum = 98; }
/** * Initializes store. * * @throws GridException If failed to initialize. */ private void init() throws GridException { if (initGuard.compareAndSet(false, true)) { if (log.isDebugEnabled()) log.debug("Initializing cache store."); try { if (sesFactory != null) // Session factory has been provided - nothing to do. return; if (!F.isEmpty(hibernateCfgPath)) { try { URL url = new URL(hibernateCfgPath); sesFactory = new Configuration().configure(url).buildSessionFactory(); if (log.isDebugEnabled()) log.debug("Configured session factory using URL: " + url); // Session factory has been successfully initialized. return; } catch (MalformedURLException e) { if (log.isDebugEnabled()) log.debug("Caught malformed URL exception: " + e.getMessage()); } // Provided path is not a valid URL. File? File cfgFile = new File(hibernateCfgPath); if (cfgFile.exists()) { sesFactory = new Configuration().configure(cfgFile).buildSessionFactory(); if (log.isDebugEnabled()) log.debug("Configured session factory using file: " + hibernateCfgPath); // Session factory has been successfully initialized. return; } // Provided path is not a file. Classpath resource? sesFactory = new Configuration().configure(hibernateCfgPath).buildSessionFactory(); if (log.isDebugEnabled()) log.debug("Configured session factory using classpath resource: " + hibernateCfgPath); } else { if (hibernateProps == null) { U.warn( log, "No Hibernate configuration has been provided for store (will use default)."); hibernateProps = new Properties(); hibernateProps.setProperty("hibernate.connection.url", DFLT_CONN_URL); hibernateProps.setProperty("hibernate.show_sql", DFLT_SHOW_SQL); hibernateProps.setProperty("hibernate.hbm2ddl.auto", DFLT_HBM2DDL_AUTO); } Configuration cfg = new Configuration(); cfg.setProperties(hibernateProps); assert resourceAvailable(MAPPING_RESOURCE); cfg.addResource(MAPPING_RESOURCE); sesFactory = cfg.buildSessionFactory(); if (log.isDebugEnabled()) log.debug("Configured session factory using properties: " + hibernateProps); } } catch (HibernateException e) { throw new GridException("Failed to initialize store.", e); } finally { initLatch.countDown(); } } else if (initLatch.getCount() > 0) U.await(initLatch); if (sesFactory == null) throw new GridException("Cache store was not properly initialized."); }
void runLoopbreaks() { if (loopBreaker.getAndSet(false)) { eventCallback(0, EM_LOOPBREAK_SIGNAL, null); } }
public void signalLoopbreak() { loopBreaker.set(true); if (mySelector != null) mySelector.wakeup(); }
/** * Grabs local events and detects if events was lost since last poll. * * @param ignite Target grid. * @param evtOrderKey Unique key to take last order key from node local map. * @param evtThrottleCntrKey Unique key to take throttle count from node local map. * @param evtTypes Event types to collect. * @param evtMapper Closure to map grid events to Visor data transfer objects. * @return Collections of node events */ public static Collection<VisorGridEvent> collectEvents( Ignite ignite, String evtOrderKey, String evtThrottleCntrKey, final int[] evtTypes, IgniteClosure<Event, VisorGridEvent> evtMapper) { assert ignite != null; assert evtTypes != null && evtTypes.length > 0; ConcurrentMap<String, Long> nl = ignite.cluster().nodeLocalMap(); final long lastOrder = getOrElse(nl, evtOrderKey, -1L); final long throttle = getOrElse(nl, evtThrottleCntrKey, 0L); // When we first time arrive onto a node to get its local events, // we'll grab only last those events that not older than given period to make sure we are // not grabbing GBs of data accidentally. final long notOlderThan = System.currentTimeMillis() - EVENTS_COLLECT_TIME_WINDOW; // Flag for detecting gaps between events. final AtomicBoolean lastFound = new AtomicBoolean(lastOrder < 0); IgnitePredicate<Event> p = new IgnitePredicate<Event>() { /** */ private static final long serialVersionUID = 0L; @Override public boolean apply(Event e) { // Detects that events were lost. if (!lastFound.get() && (lastOrder == e.localOrder())) lastFound.set(true); // Retains events by lastOrder, period and type. return e.localOrder() > lastOrder && e.timestamp() > notOlderThan && F.contains(evtTypes, e.type()); } }; Collection<Event> evts = ignite.events().localQuery(p); // Update latest order in node local, if not empty. if (!evts.isEmpty()) { Event maxEvt = Collections.max(evts, EVTS_ORDER_COMPARATOR); nl.put(evtOrderKey, maxEvt.localOrder()); } // Update throttle counter. if (!lastFound.get()) nl.put(evtThrottleCntrKey, throttle == 0 ? EVENTS_LOST_THROTTLE : throttle - 1); boolean lost = !lastFound.get() && throttle == 0; Collection<VisorGridEvent> res = new ArrayList<>(evts.size() + (lost ? 1 : 0)); if (lost) res.add(new VisorGridEventsLost(ignite.cluster().localNode().id())); for (Event e : evts) { VisorGridEvent visorEvt = evtMapper.apply(e); if (visorEvt != null) res.add(visorEvt); } return res; }