List of usage examples for java.net ServerSocket ServerSocket
public ServerSocket(int port) throws IOException
From source file:eu.fusepool.p3.proxy.ProxyTest.java
public static int findFreePort() { int port = 0; try (ServerSocket server = new ServerSocket(0);) { port = server.getLocalPort();// ww w .ja v a 2 s . c om } catch (Exception e) { throw new RuntimeException("unable to find a free port"); } return port; }
From source file:acoli.controller.Controller.java
/** * http://stackoverflow.com/questions/434718/sockets-discover-port-availability-using-java * Checks to see if a specific port is available. * * @param port the port to check for availability *///w ww.j ava 2s .c om public static boolean portAvailable(int port) { int MIN_PORT_NUMBER = 1000; int MAX_PORT_NUMBER = 9999; if (port < MIN_PORT_NUMBER || port > MAX_PORT_NUMBER) { throw new IllegalArgumentException("Invalid start port: " + port); } ServerSocket ss = null; DatagramSocket ds = null; try { ss = new ServerSocket(port); ss.setReuseAddress(true); ds = new DatagramSocket(port); ds.setReuseAddress(true); return true; } catch (IOException e) { } finally { if (ds != null) { ds.close(); } if (ss != null) { try { ss.close(); } catch (IOException e) { /* should not be thrown */ } } } return false; }
From source file:com.ejisto.util.IOUtils.java
private static boolean isPortAvailable(int port) { try (DatagramSocket udp = new DatagramSocket(port); ServerSocket tcp = new ServerSocket(port)) { tcp.setReuseAddress(true);//from w w w .j a va 2 s .c o m udp.setReuseAddress(true); return true; } catch (IOException ex) { return false; } }
From source file:com.zju.ccnt.or.OpenReplicator.java
@Override public void run() { initPacketHandlers();//ww w . jav a 2 s.c om try { ss = new ServerSocket(clientport); } catch (IOException e1) { e1.printStackTrace(); return; } this.running.set(true); while (this.running.get()) { long writeTime = 0; long n1, n2; try { clientTransport = new TransportImpl(ss.accept(), readBufferSize, writeBufferSize, writeSize, writeSocketInterval); mysqlTransport = new TransportImpl(new Socket(host, port), readBufferSize, 32 * 1024, 100, writeSocketInterval); // connect connect(clientTransport, mysqlTransport); // login login(clientTransport, mysqlTransport); // dump utilDumpBin(clientTransport, mysqlTransport); this.binlogParser = getDefaultBinlogParser(mysqlTransport); int count = 0; while (this.running.get()) { List<AbstractPacket> list = getEventPackets(mysqlTransport, clientTransport); count += list.size(); AbstractBinlogEventV4 event = null; event = this.binlogParser.doParse(list); if (event != null && this.binlogEventListener != null) { boolean re = this.binlogEventListener.accept(event); if (!re) { for (AbstractPacket p : list) { // System.out.println(p.getSequence()); byte[] newb = new byte[5]; newb[0] = 1; newb[3] = (byte) p.getSequence(); newb[4] = 0; p.setLength(1); p.setBytes(newb); } } } n1 = System.currentTimeMillis(); for (AbstractPacket p : list) { clientTransport.writePacket(p); } n2 = System.currentTimeMillis(); writeTime += (n2 - n1); if (count % 50000 == 0) { // System.err.println("body time:"+TransportOutputStreamImpl.bodytime); System.err.println("write time:" + writeTime); // System.err.println("wait time:"+ByteLinkedBlockingDeque.waitTime); // System.err.println("write time:"+ByteLinkedBlockingDeque.writeTime); } } } catch (Exception e) { e.printStackTrace(); } finally { if (clientTransport != null) { try { clientTransport.disconnect(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } if (mysqlTransport != null) { try { mysqlTransport.disconnect(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } } } }
From source file:com.altiscale.TcpProxy.HostPort.java
public void init(ProxyConfiguration conf) { config = conf;//from w ww. j a v a 2 s.co m // Launch ServerStats thread. new Thread(new ServerStatus(this, config.statusPort)).start(); // Initialize servers and optional ssh tunnels via jumphost. for (HostPort serverHostPort : config.serverHostPortList) { Server server = null; if (null == config.jumphost) { server = new Server(serverHostPort); } else { server = new Server(serverHostPort, config.jumphost); server.startJumphostThread(); } assert null != server; serverList.add(server); } // Open our listening port. tcpProxyPort = config.listeningPort; try { tcpProxyService = new ServerSocket(tcpProxyPort); LOG.info("Listening for incoming clients on port " + tcpProxyPort); } catch (IOException ioe) { LOG.error("IO exception while establishing proxy service on port " + tcpProxyPort); System.exit(1); } // Set load balancer. if (config.loadBalancerString.equals("LeastUsed")) { loadBalancer = new LeastUsed(getServerList()); } else if (config.loadBalancerString.equals("UniformRandom")) { loadBalancer = new UniformRandom(getServerList()); } else { loadBalancer = new RoundRobin(getServerList()); } setLoadBalancer(loadBalancer); }
From source file:com.example.networkPacketFormats.ServeFunction.java
public TCPServer(Connection con) { System.out.println("saf"); try {// w w w. j ava 2 s. c o m socket = new ServerSocket(6711); socket.setReuseAddress(true); } catch (IOException ex) { Logger.getLogger(TCPServer.class.getName()).log(Level.SEVERE, null, ex); } this.con = con; }
From source file:net.sbbi.upnp.ServicesEventing.java
public void run() { // only the deamon thread is allowed to call such method if (!Thread.currentThread().getName().equals("ServicesEventing daemon")) return;/*w w w . j a v a2 s . c o m*/ try { server = new ServerSocket(daemonPort); } catch (IOException ex) { log.error("Error during daemon server socket on port " + daemonPort + " creation", ex); return; } while (inService) { try { Socket skt = server.accept(); new Thread(new RequestProcessor(skt)).start(); } catch (IOException ioEx) { if (inService) { log.error("IO Exception during UPNP messages listening thread", ioEx); } } } }
From source file:com.lfv.lanzius.server.LanziusServer.java
private void groupRemoteControlListener(final int port) { new Thread("RemoteControlThread") { public void run() { try { ServerSocket serverSocket = new ServerSocket(port); Socket socket = null; boolean listening = true; String inputLine; while (listening) { socket = serverSocket.accept(); BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream())); inputLine = in.readLine(); log.debug("Remote control thread received: " + inputLine); try { String arglist[]; arglist = inputLine.split(" "); String command = arglist[0]; if (command.equals("play")) { String newtime; String comment; if (arglist.length >= 2) newtime = arglist[1]; else newtime = null; menuChoiceGroupStart(1, false, newtime); if (arglist.length >= 3) comment = arglist[2]; else comment = null; if (comment != null) { ServerLogger logger = loggerMap.get(1); if (logger != null) { logger.print(comment); }/* w w w . j a va 2 s. c om*/ } } else if (command.equals("stop")) { menuChoiceGroupStop(1, false); } else if (command.equals("pause")) { String comment; if (arglist.length >= 2) comment = arglist[1]; else comment = null; if (comment != null) { ServerLogger logger = loggerMap.get(1); if (logger != null) { logger.print(comment); } } menuChoiceGroupPause(1); } else if (inputLine.startsWith("logpath")) { String newlogPath; newlogPath = inputLine.substring(inputLine.indexOf(' ') + 1); ServerLogger logger = loggerMap.get(1); if (logger != null) { log.debug("ServerLogger.logpath=" + logger.getLogPath() + " new path=" + newlogPath); if (newlogPath != logger.getLogPath()) { log.debug("ServerLogger.logpath changed!!!!"); loggerMap.remove(1); logger.print("GROUP STOP id[1]"); logger.close(); ServerLogger newlogger = new ServerLogger(1, newlogPath); loggerMap.put(1, newlogger); newlogger.print("GROUP START id[1]"); } } else { log.debug("No active logger for group 1"); } if ((logPath != null) && (!(newlogPath.equals(logPath)))) { log.debug("logPath changed, stopping Groups"); } logPath = newlogPath; log.debug("logPath set to " + logPath); } } catch (Exception e) { log.debug("Remote control action failed"); } socket.close(); } serverSocket.close(); } catch (IOException e) { log.error("Failed to start Remote Control listener thread!"); log.error(e.getMessage()); } } }.start(); log.info("Group remote control listening on port " + port + "."); }
From source file:hudson.plugins.selenium.PluginImpl.java
public Object readResolve() { // Update from plugin 2.0 to 2.1 where browsers were introduced if (rcFirefoxProfileTemplate != null || rcBrowserSessionReuse != null || rcTrustAllSSLCerts != null || rcBrowserSideLog != null) { String rcFirefoxProfileTemplate = getDefaultForNull(this.rcFirefoxProfileTemplate, ""); Boolean rcBrowserSessionReuse = getDefaultForNull(this.rcBrowserSessionReuse, Boolean.FALSE); Boolean rcTrustAllSSLCerts = getDefaultForNull(this.rcTrustAllSSLCerts, Boolean.FALSE); Boolean rcBrowserSideLog = getDefaultForNull(this.rcBrowserSideLog, Boolean.FALSE); List<SeleniumBrowser> browsers = new ArrayList<SeleniumBrowser>(); browsers.add(new IEBrowser(5, "", "")); browsers.add(new FirefoxBrowser(5, "", "")); browsers.add(new ChromeBrowser(5, "", "")); int port = 4445; try {//from w w w . j a v a 2s.c o m ServerSocket ss = new ServerSocket(0); port = ss.getLocalPort(); ss.close(); } catch (IOException e) { } SeleniumNodeConfiguration c = new CustomRCConfiguration(port, rcBrowserSideLog, rcDebug, rcTrustAllSSLCerts, rcBrowserSessionReuse, -1, rcFirefoxProfileTemplate, browsers, null); synchronized (configurations) { configurations.add( new SeleniumGlobalConfiguration("Selenium v2.0 configuration", new MatchAllMatcher(), c)); } } // update to 2.3 where hostname options were introduced if (hostnameResolver == null) { hostnameResolver = new JenkinsRootHostnameResolver(); } return this; }
From source file:com.yahoo.pulsar.testclient.LoadSimulationClient.java
public void run() throws Exception { final ServerSocket serverSocket = new ServerSocket(port); while (true) { // Technically, two controllers can be connected simultaneously, but // non-sequential handling of commands // has not been tested or considered and is not recommended. log.info("Listening for controller command..."); final Socket socket = serverSocket.accept(); log.info("Connected to {}\n", socket.getInetAddress().getHostName()); executor.submit(() -> {//from ww w . j av a2 s .c o m try { handle(socket); } catch (Exception ex) { throw new RuntimeException(ex); } }); } }