public static void main(String[] argv) throws Exception { Pipe[] pipes = new Pipe[PIPES_COUNT]; Pipe pipe = Pipe.open(); Pipe.SinkChannel sink = pipe.sink(); Pipe.SourceChannel source = pipe.source(); Selector sel = Selector.open(); source.configureBlocking(false); source.register(sel, SelectionKey.OP_READ); for (int i = 0; i < PIPES_COUNT; i++) { pipes[i] = Pipe.open(); Pipe.SourceChannel sc = pipes[i].source(); sc.configureBlocking(false); sc.register(sel, SelectionKey.OP_READ); Pipe.SinkChannel sc2 = pipes[i].sink(); sc2.configureBlocking(false); sc2.register(sel, SelectionKey.OP_WRITE); } for (int i = 0; i < LOOPS; i++) { sink.write(ByteBuffer.allocate(BUF_SIZE)); int x = sel.selectNow(); sel.selectedKeys().clear(); source.read(ByteBuffer.allocate(BUF_SIZE)); } for (int i = 0; i < PIPES_COUNT; i++) { pipes[i].sink().close(); pipes[i].source().close(); } pipe.sink().close(); pipe.source().close(); sel.close(); }
public PingClient() throws IOException { selector = Selector.open(); Connector connector = new Connector(); Printer printer = new Printer(); connector.start(); printer.start(); receiveTarget(); }
public Overlord() { try { selector = Selector.open(); queue = new ConcurrentLinkedQueue<Communicator>(); // open the pipe and register it with our selector pipe = Pipe.open(); pipe.sink().configureBlocking(false); pipe.source().configureBlocking(false); pipe.source().register(selector, SelectionKey.OP_READ); } catch (IOException e) { throw new RuntimeException("select() failed"); } }
public static void main(String[] args) { port[0] = -1; try { reader = new BufferedReader(new InputStreamReader(System.in)); clients = new LinkedHashMap<String, SocketChannel>(); selector = Selector.open(); List<SocketChannel> anonymousClients = new ArrayList<SocketChannel>(); serverSocket = ServerSocketChannel.open(); serverSocket.configureBlocking(false); while (true) { readCommand(); checkClients(anonymousClients); } } catch (Exception expt) { Utils.printErrorAndExit("Error: " + expt.getMessage()); } }
public ServerThread() throws IOException { setName("DefaultTCPTransportMapping_" + getAddress()); buf = new byte[getMaxInboundMessageSize()]; // Selector for incoming requests selector = Selector.open(); if (serverEnabled) { // Create a new server socket and set to non blocking mode ssc = ServerSocketChannel.open(); ssc.configureBlocking(false); // Bind the server socket InetSocketAddress isa = new InetSocketAddress(tcpAddress.getInetAddress(), tcpAddress.getPort()); ssc.socket().bind(isa); // Register accepts on the server socket with the selector. This // step tells the selector that the socket wants to be put on the // ready list when accept operations occur, so allowing multiplexed // non-blocking I/O to take place. ssc.register(selector, SelectionKey.OP_ACCEPT); } }
public void run() { try { mySelector = Selector.open(); bRunReactor = true; } catch (IOException e) { throw new RuntimeException("Could not open selector", e); } while (bRunReactor) { runLoopbreaks(); if (!bRunReactor) break; runTimers(); if (!bRunReactor) break; removeUnboundConnections(); checkIO(); addNewConnections(); processIO(); } close(); }
private void go() throws IOException { // Create a new selector Selector selector = Selector.open(); // Open a listener on each port, and register each one // with the selector for (int i = 0; i < ports.length; ++i) { ServerSocketChannel ssc = ServerSocketChannel.open(); ssc.configureBlocking(false); ServerSocket ss = ssc.socket(); InetSocketAddress address = new InetSocketAddress(ports[i]); ss.bind(address); SelectionKey key = ssc.register(selector, SelectionKey.OP_ACCEPT); System.out.println("Going to listen on " + ports[i]); } while (true) { int num = selector.select(); Set selectedKeys = selector.selectedKeys(); Iterator it = selectedKeys.iterator(); while (it.hasNext()) { SelectionKey key = (SelectionKey) it.next(); if ((key.readyOps() & SelectionKey.OP_ACCEPT) == SelectionKey.OP_ACCEPT) { // Accept the new connection ServerSocketChannel ssc = (ServerSocketChannel) key.channel(); SocketChannel sc = ssc.accept(); sc.configureBlocking(false); // Add the new connection to the selector SelectionKey newKey = sc.register(selector, SelectionKey.OP_READ); it.remove(); System.out.println("Got connection from " + sc); } else if ((key.readyOps() & SelectionKey.OP_READ) == SelectionKey.OP_READ) { // Read the data SocketChannel sc = (SocketChannel) key.channel(); // Echo data int bytesEchoed = 0; while (true) { echoBuffer.clear(); int r = sc.read(echoBuffer); if (r <= 0) { break; } echoBuffer.flip(); sc.write(echoBuffer); bytesEchoed += r; } System.out.println("Echoed " + bytesEchoed + " from " + sc); it.remove(); } } // System.out.println( "going to clear" ); // selectedKeys.clear(); // System.out.println( "cleared" ); } }
Dispatcher1() throws IOException { sel = Selector.open(); }
Connector(Printer pr) throws IOException { printer = pr; sel = Selector.open(); setName("Connector"); }