ServerSocket serverSocket = new ServerSocket(4444); Socket clientSocket = serverSocket.accept(); PrintWriter out = new PrintWriter(clientSocket.getOutputStream(), true); while (true) { out.println("output"); if (out.checkError()) System.out.println("ERROR writing data to socket !!!"); System.out.println(clientSocket.isConnected()); System.out.println(clientSocket.getInputStream().read()); // thread sleep ... // break condition , close sockets and the like ... }
ListenTask(int port) throws IOException { this.port = port; this.ssc = ServerSocketChannel.open(); ssc.socket().setReuseAddress(true); ssc.socket().bind(new InetSocketAddress(port), LISTEN_BACKLOG); ssc.configureBlocking(false); endpoint = new EndPoint(NioSelectorScheduler.this,ssc); // if port is automatically assigned then retrieve actual value if(port == 0) { this.port = ssc.socket().getLocalPort(); }; }
public static int getAvailablePort() { try (ServerSocket ss = new ServerSocket()) { ss.bind(null); return ss.getLocalPort(); } catch (IOException e) { return getRandomPort(); } }
private static boolean isLocalPortAvailable(int port) { try (ServerSocket socket = new ServerSocket(port)) { socket.setReuseAddress(true); return true; } catch (IOException e) { return false; } } }
private static int findFreePort() { try(ServerSocket socket = new ServerSocket(0)) { socket.setReuseAddress(true); return socket.getLocalPort(); } catch (Exception ignore) { } throw new IllegalStateException("Could not find a free TCP/IP port to start dlv"); } }
@Override public void run() { while (!Thread.currentThread().isInterrupted()) { try ( Socket clientSocket = serverSocket.accept(); BufferedReader in = new BufferedReader( new InputStreamReader(clientSocket.getInputStream(), StandardCharsets.UTF_8) ); OutputStream out = clientSocket.getOutputStream() ) { while (!in.readLine().equals("")) { // skip lines } out.write("HTTP/1.1 200 OK\r\nContent-Length: 6\r\n\r\nhello!".getBytes(StandardCharsets.UTF_8)); } catch (Exception e) { // Suppress } } } }
/** * Listing 1.1 Blocking I/O example * */ public void serve(int portNumber) throws IOException { ServerSocket serverSocket = new ServerSocket(portNumber); Socket clientSocket = serverSocket.accept(); BufferedReader in = new BufferedReader( new InputStreamReader(clientSocket.getInputStream())); PrintWriter out = new PrintWriter(clientSocket.getOutputStream(), true); String request, response; while ((request = in.readLine()) != null) { if ("Done".equals(request)) { break; } response = processRequest(request); out.println(response); } }
serverSocket = new ServerSocket(2005); connect(); socket = serverSocket.accept(); System.out.println("Got connection"); if(handshake()) { PrintWriter out = new PrintWriter(socket.getOutputStream()); BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream())); while (!(str = in.readLine()).equals("")) { String[] s = str.split(": "); System.out.println(); out.write("HTTP/1.1 101 Switching Protocols\r\n" + "Upgrade: websocket\r\n" + "Connection: Upgrade\r\n" + "Sec-WebSocket-Accept: " + hash + "\r\n" + "\r\n"); out.flush(); socket.getInputStream().read(b); return b; BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); while (true) { System.out.println("Write something to the client!");
if (interfaceName != null) { if (interfaceName.trim().length() > 0) { bindInterface = InetAddress.getByName(interfaceName); serverSocket = new ServerSocket(port, -1, bindInterface); Log.debug("Flash cross domain is listening on " + interfaceName + " on port " + port); BufferedReader in = null; try { clientSocket = serverSocket.accept(); clientSocket.setSoTimeout(10000); // 10 second timeout out = new PrintWriter(clientSocket.getOutputStream(), true); in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream())); out.write(CROSS_DOMAIN_TEXT + XMPPServer.getInstance().getConnectionManager().getClientListenerPort() + CROSS_DOMAIN_END_TEXT+"\u0000"); out.flush(); out.close(); in.close();
@Test public void testSocketSink() throws Exception { final ServerSocket server = new ServerSocket(0); final int port = server.getLocalPort(); Socket sk = server.accept(); BufferedReader rdr = new BufferedReader(new InputStreamReader(sk.getInputStream())); String value = rdr.readLine(); server.close();
private void processRequests(ServerSocket server) throws IOException { Socket socket = server.accept(); connectionsAccepted.incrementAndGet(); try ( BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream(), UTF_8)); PrintWriter out = new PrintWriter(new OutputStreamWriter(socket.getOutputStream(), UTF_8)) ){ synchronized (startSynchro) { startSynchro.notifyAll(); } String line; while ((line = in.readLine()) != null) { receivedMessages.add(line); out.print(line); } } }
client = null; try { server = new ServerSocket(SOCKET_PORT); client = server.accept(); while (!shutdown) { final BufferedReader reader = new BufferedReader(new InputStreamReader(client.getInputStream())); final String line = reader.readLine(); if (line.equals("Shutdown")) { shutdown = true; if (client != null) { try { client.close(); } catch (final Exception ex) { System.out.println("Unable to close socket " + ex.getMessage()); server.close(); } catch (final Exception ex) { System.out.println("Unable to close server socket " + ex.getMessage());
@Override public Void call() throws Exception { Socket socket = serverSocket[0].accept(); BufferedReader reader = new BufferedReader(new InputStreamReader( socket.getInputStream())); String value = reader.readLine(); assertEquals("0", value); socket.close(); return null; } };
try { try { serverSocket = new ServerSocket(port); serverSocket.setSoTimeout(TIMEOUT); // Block for maximum of 1.5 seconds } finally { synchronized (this) { socket = serverSocket.accept(); } catch (final Exception e) { if (socket != null) { socket.close(); final BufferedReader input = new BufferedReader(new InputStreamReader(socket.getInputStream())); final PrintWriter out = new PrintWriter(socket.getOutputStream()); if (serverSocket != null) { try { serverSocket.close(); } catch (final IOException e) { e.printStackTrace();
@BeforeClass public void setUpGlobal() throws Exception { serverSocket = ServerSocketFactory.getDefault().createServerSocket(0); port1 = serverSocket.getLocalPort(); executorService = Executors.newFixedThreadPool(1); voidFuture = executorService.submit(() -> { Socket socket; while ((socket = serverSocket.accept()) != null) { InputStream inputStream = socket.getInputStream(); BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream)); String req = reader.readLine().split(" ")[1]; int i = inputStream.available(); long l = inputStream.skip(i); assertEquals(l, i); socket.shutdownInput(); if (req.endsWith("MultiEnt")) { OutputStreamWriter outputStreamWriter = new OutputStreamWriter(socket.getOutputStream()); outputStreamWriter.append("HTTP/1.0 200 OK\n" + "Connection: close\n" + "Content-Type: text/plain; charset=iso-8859-1\n" + "Content-Length: 2\n" + "Content-Length: 1\n" + "\n0\n");
serverSocket = new ServerSocket(4444); } catch (IOException ex) { System.out.println("Can't setup server on this port number. "); socket = serverSocket.accept(); } catch (IOException ex) { System.out.println("Can't accept client connection. "); in = socket.getInputStream(); } catch (IOException ex) { System.out.println("Can't get socket input stream. "); out.write(bytes, 0, count); out.close(); in.close(); socket.close(); serverSocket.close();
public boolean preparePlanMode() throws IOException { try { process.getOutputStream().write((server.getLocalPort() + "\n").getBytes(ConfigConstants.DEFAULT_CHARSET)); process.getOutputStream().flush(); } catch (IOException ignored) { // the python process most likely shutdown in the meantime return false; } while (true) { try { socket = server.accept(); sender = new PythonPlanSender(socket.getOutputStream()); receiver = new PythonPlanReceiver(socket.getInputStream()); return true; } catch (SocketTimeoutException ignored) { switch(checkPythonProcessHealth()) { case RUNNING: continue; case STOPPED: return false; case FAILED: throw new RuntimeException("Plan file caused an error. Check log-files for details."); } } } }
while(!serverSocket.isClosed()) { try { Socket newClient = serverSocket.accept(); PrintWriter pw = new PrintWriter(newClient.getOutputStream()); if(connections.size() < MAX_CONNECTIONS) { synchronized(this) { connections.addElement(newClient); writers.addElement(pw); pw.print("TelnetAppender v1.0 (" + connections.size() + " active connections)\r\n\r\n"); pw.flush(); pw.print("Too many connections.\r\n"); pw.flush(); newClient.close(); Thread.currentThread().interrupt(); if (!serverSocket.isClosed()) { LogLog.error("Encountered error while in SocketHandler loop.", e); serverSocket.close(); } catch(InterruptedIOException ex) { Thread.currentThread().interrupt();
String s = tf.getText(); if (out != null) { out.println(s); Socket socket; if (kind == Kind.Client) { socket = new Socket(HOST, PORT); } else { ServerSocket ss = new ServerSocket(PORT); socket = ss.accept(); in = new Scanner(socket.getInputStream()); out = new PrintWriter(socket.getOutputStream(), true); display("Connected"); while (true) {