/** Selects on sockets and informs their Communicator when there is something to do. */ public void communicate(int timeout) { try { selector.select(timeout); } catch (IOException e) { // Not really sure why/when this happens yet return; } Iterator<SelectionKey> keys = selector.selectedKeys().iterator(); while (keys.hasNext()) { SelectionKey key = keys.next(); keys.remove(); if (!key.isValid()) continue; // WHY Communicator communicator = (Communicator) key.attachment(); if (key.isReadable()) communicator.onReadable(); if (key.isWritable()) communicator.onWritable(); if (key.isAcceptable()) communicator.onAcceptable(); } // Go through the queue and handle each communicator while (!queue.isEmpty()) { Communicator c = queue.poll(); c.onMemo(); } }
public void run() { // each file is processed into a local hash table and then merged with the global results // this will cause much less contention on the global table, but still avoids a sequential // update Hashtable<String, Integer> local_results = new Hashtable<String, Integer>(WordCountJ.HASH_SIZE, WordCountJ.LF); // grab a file to work on String cf; while ((cf = files.poll()) != null) { try { BufferedReader input = new BufferedReader(new FileReader(cf)); String text; // well go line-by-line... maybe this is not the fastest while ((text = input.readLine()) != null) { // parse words Matcher matcher = pattern.matcher(text); while (matcher.find()) { String word = matcher.group(1); if (local_results.containsKey(word)) { local_results.put(word, 1 + local_results.get(word)); } else { local_results.put(word, 1); } } } input.close(); } catch (Exception e) { System.out.println(" caught a " + e.getClass() + "\n with message: " + e.getMessage()); return; } // merge local hashmap with shared one,could have a // seperate thread do this but that might be cheating Iterator<Map.Entry<String, Integer>> updates = local_results.entrySet().iterator(); while (updates.hasNext()) { Map.Entry<String, Integer> kv = updates.next(); String k = kv.getKey(); Integer v = kv.getValue(); synchronized (results) { if (results.containsKey(k)) { results.put(k, v + results.get(k)); } else { results.put(k, v); } } } local_results.clear(); } }
public void run() { Thread.currentThread().setName("deleteHelper"); if (deleteQueue.size() > 0) { TempFile temp = deleteQueue.peek(); if (temp != null && temp.getOld()) { logger.debug( "removing temporary file {tempfile='" + temp.getFile().getAbsolutePath() + "'}"); deleteQueue.poll(); deleteMap.remove(temp); try { temp.getFile().delete(); } catch (Exception e) { } } } }
public void handleNotification(INotification notification) { // Logger.debug("@ClientMediator.handleNotification:noti="+notification.getBody()); String noname = notification.getName(); if (noname == Const.TICK) { if (destroyd) return; long t = TimerCmd.timeStamp; String[] ary; int st, ed; if (_lastRotTank != null) { ary = _lastRotTank.split(" "); st = Integer.parseInt(ary[0]); ed = st + Integer.parseInt(ary[6]); if (t <= ed && t >= st) { int ist = Integer.parseInt(ary[0]); if (_move.size() > 0) { st = Integer.parseInt(_move.peek().split(" ")[0]); while (st < ist && _move.size() > 0) { _move.poll(); if (_move.size() == 0) break; st = Integer.parseInt(_move.peek().split(" ")[0]); } } } } if (_move.size() > 0) { ary = _move.peek().split(" "); st = Integer.parseInt(ary[0]); ed = st + Integer.parseInt(ary[8]); while ((t > ed) && _move.size() > 0) { // Logger.debug("@TankMediator.handleNotification: t = " + t + " st = " + st + " // ed="+ed); String p = (String) _move.poll(); Logger.debug("ClientMediator.TICK _move.poll=" + p); if (_move.size() == 0) break; ary = _move.peek().split(" "); st = Integer.parseInt(ary[0]); ed = st + Integer.parseInt(ary[8]); } if (_move.size() > 0) { String[] li = (String[]) _move.toArray(new String[0]); for (int i = li.length - 1; i >= 0; i--) { String s = li[i]; ary = s.split(" "); st = Integer.parseInt(ary[0]); ed = st + Integer.parseInt(ary[8]); if (t <= ed && t >= st) { if (t == st) { // ed==st in this situation _state.x = (int) Float.parseFloat(ary[4]); _state.y = (int) Float.parseFloat(ary[5]); _nextX = _state.x; _nextY = _state.y; } else { float sx = Float.parseFloat(ary[4]); float ex = Float.parseFloat(ary[6]); float sy = Float.parseFloat(ary[5]); float ey = Float.parseFloat(ary[7]); double eco = 1.0 * (t - st) / (ed - st); _state.x = (int) (sx + (ex - sx) * eco); _state.y = (int) (sy + (ey - sy) * eco); double neco = 1.0 * (t + 1 - st) / (ed - st); _nextX = (sx + (ex - sx) * neco); _nextY = (sy + (ey - sy) * neco); } while (_move.size() > 1) _move.poll(); break; } } } } if (_state != null) { ConcurrentHashMap<Integer, BulletState> bs = ((ServerBulletMediator) (appFacade().retrieveMediator(Const.SERVER_BULLET_MEDIATOR))) .getBullets(); for (Enumeration enu = bs.keys(); enu.hasMoreElements(); ) { int id = (Integer) enu.nextElement(); BulletState blt = bs.get(id); if (Texter.distance(blt.x, blt.y, _state.x, _state.y) < 16) { this.sendNotification(Const.BROAD_CAST, "destroy bullet " + id, null); _state.life -= 100; if (_state.life <= 0) { this.sendNotification(Const.BROAD_CAST, "destroy tank " + _state.tankID, null); } else { this.sendNotification( Const.BROAD_CAST, "set-life tank " + _state.tankID + " " + _state.life, null); } } } } // barrier and tank if (_state != null) { // colision detection // Logger.only("ClientMediator.handleNotification: x="+_state.x+" y="+_state.y+" // nx="+_nextX+" ny="+_nextY+" "+Texter.sqrareDis(_nextX, _nextY, 470, 200)+" // "+Texter.sqrareDis(_state.x, _state.y, 470, 200)); if (!Arena.canGo(_state.x, _state.y, _nextX, _nextY)) { Arena.addReq(_id, Const.STOP_MOVE, getState()); } for (Enumeration enu = AcceptCmd.clients.elements(); enu.hasMoreElements(); ) { ClientMediator cmm = (ClientMediator) enu.nextElement(); if (cmm.destroyd) return; int cmid = cmm.getID(); if (cmid == _id) continue; TankState ts = cmm.getState(); if (ts == null) continue; double curdis = Texter.distance(ts.x, ts.y, _state.x, _state.y); double netdis = Texter.distance(ts.x, ts.y, _nextX, _nextY); if (curdis < 40 && netdis < curdis) { Arena.addReq(_id, Const.STOP_MOVE, getState()); Arena.addReq(cmid, Const.STOP_MOVE, ts); } } } // handle delayed first // ary=_delayOrder.toArray(new String[0]); // _delayOrder.clear(); // for(int i=0;i<ary.length;i++){ // Logger.only("delayArray: "+ary[i]); // int ttt=Integer.parseInt(ary[i].split(" ")[0]); // if(ttt==t){ // tellClientWithTime(ary[i]); // }else if(ttt>t){ // _delayOrder.add(ary[i]); // } // } } else if (noname == Const.BROAD_CAST) { String s = (String) notification.getBody(); String ary[] = s.split(" "); if (notification.getType() == Const.NO_PREFIX) { tellClientWithTime(s); return; } else if (s.indexOf("talk") > -1) { tellClient(s, 0); return; } if (_id == Integer.parseInt(ary[2])) { if (s.indexOf("rotate-gun") > -1) { _lastRotateGun = TimerCmd.timeStamp + " " + s; if (_state != null) _state.gunAngle = Float.parseFloat(_lastRotateGun.split(" ")[5]); } else if (s.indexOf("move tank") > -1) { Logger.debug("ClientMediator: move add s=" + s); int offset = Integer.parseInt(notification.getType()); if (offset == 0) _move.clear(); _move.add((TimerCmd.timeStamp + offset) + " " + s); } else if (s.indexOf("create tank") > -1) { _state = new TankState( _id, ary[3], Integer.parseInt(ary[6]), (int) Float.parseFloat(ary[8]), (int) Float.parseFloat(ary[9]), Float.parseFloat(ary[10]), Float.parseFloat(ary[11])); _state.printState(); } else if (s.indexOf("rotate-tank") > -1) { _lastRotTank = TimerCmd.timeStamp + " " + s; if (_state != null) _state.tankAngle = Float.parseFloat(_lastRotTank.split(" ")[5]); } else if (s.indexOf("destroy tank") > -1) { this.destroyd = true; } } if (notification.getType() != null) tellClient(s, Integer.parseInt(notification.getType())); else tellClient(s, 0); } }