// function to do the join use case public static void share() throws Exception { HttpPost method = new HttpPost(url + "/share"); String ipAddress = null; Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); while (en.hasMoreElements()) { NetworkInterface ni = (NetworkInterface) en.nextElement(); if (ni.getName().equals("eth0")) { Enumeration<InetAddress> en2 = ni.getInetAddresses(); while (en2.hasMoreElements()) { InetAddress ip = (InetAddress) en2.nextElement(); if (ip instanceof Inet4Address) { ipAddress = ip.getHostAddress(); break; } } break; } } method.setEntity(new StringEntity(username + ';' + ipAddress, "UTF-8")); try { ResponseHandler<String> responseHandler = new BasicResponseHandler(); connIp = client.execute(method, responseHandler); } catch (IOException e) { System.err.println("Fatal transport error: " + e.getMessage()); e.printStackTrace(); } // get present time date = new Date(); long start = date.getTime(); // Execute the vishwa share process Process p = Runtime.getRuntime().exec("java -jar vishwa/JVishwa.jar " + connIp); String ch = "alive"; System.out.println("Type kill to unjoin from the grid"); while (!ch.equals("kill")) { BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); ch = in.readLine(); } p.destroy(); date = new Date(); long end = date.getTime(); long durationInt = end - start; String duration = String.valueOf(durationInt); method = new HttpPost(url + "/shareAck"); method.setEntity(new StringEntity(username + ";" + duration, "UTF-8")); try { client.execute(method); } catch (IOException e) { System.err.println("Fatal transport error: " + e.getMessage()); e.printStackTrace(); } }
/** * Creates new HTTP requests handler. * * @param hnd Handler. * @param authChecker Authentication checking closure. * @param log Logger. */ GridJettyRestHandler( GridRestProtocolHandler hnd, GridClosure<String, Boolean> authChecker, GridLogger log) { assert hnd != null; assert log != null; this.hnd = hnd; this.log = log; this.authChecker = authChecker; // Init default page and favicon. try { initDefaultPage(); if (log.isDebugEnabled()) log.debug("Initialized default page."); } catch (IOException e) { U.warn(log, "Failed to initialize default page: " + e.getMessage()); } try { initFavicon(); if (log.isDebugEnabled()) log.debug( favicon != null ? "Initialized favicon, size: " + favicon.length : "Favicon is null."); } catch (IOException e) { U.warn(log, "Failed to initialize favicon: " + e.getMessage()); } }
private void server() { new CountDown(60).start(); while (true) { try { Socket socket = serverSock.accept(); System.out.println("New Client:" + socket); if (readyState[6] == 1) { System.out.println("正在游戏中,无法加入"); continue; } for (i = 0; i <= 5; i++) { if (players[i].equals("虚位以待")) break; } if (i > 5) { System.out.println("房间已满,无法加入"); continue; } i++; ObjectOutputStream remoteOut = new ObjectOutputStream(socket.getOutputStream()); clients.addElement(remoteOut); ObjectInputStream remoteIn = new ObjectInputStream(socket.getInputStream()); new ServerHelder(remoteIn, remoteOut, socket.getPort(), i).start(); } catch (IOException e) { System.out.println(e.getMessage() + ": Failed to connect to client."); try { serverSock.close(); } catch (IOException x) { System.out.println(e.getMessage() + ": Failed to close server socket."); } } } }
// function to do the compute use case public static void compute() throws Exception { HttpPost method = new HttpPost(url + "/compute"); method.setEntity(new StringEntity(username, "UTF-8")); try { ResponseHandler<String> responseHandler = new BasicResponseHandler(); connIp = client.execute(method, responseHandler); } catch (IOException e) { System.err.println("Fatal transport error: " + e.getMessage()); e.printStackTrace(); } System.out.println("Give the file name which has to be put in the grid for computation"); // input of the file name to be computed BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); String name = in.readLine(); // get the absolute path of the current working directory File directory = new File("."); String pwd = directory.getAbsolutePath(); // get present time date = new Date(); long start = date.getTime(); String cmd = "java -classpath " + pwd + "/vishwa/JVishwa.jar:. " + name + " " + connIp; System.out.println(cmd); // Execute the vishwa compute process Process p = Runtime.getRuntime().exec(cmd); // wait till the compute process is completed // check for the status code (0 for successful termination) int status = p.waitFor(); if (status == 0) { System.out.println("Compute operation successful. Check the directory for results"); } date = new Date(); long end = date.getTime(); long durationInt = end - start; String duration = String.valueOf(durationInt); method = new HttpPost(url + "/computeAck"); method.setEntity(new StringEntity(username + ";" + duration, "UTF-8")); try { client.execute(method); } catch (IOException e) { System.err.println("Fatal transport error: " + e.getMessage()); e.printStackTrace(); } }
public void run() { URL url; Base64Encoder base64 = new Base64Encoder(); try { url = new URL(urlString); } catch (MalformedURLException e) { System.err.println("Invalid URL"); return; } try { conn = (HttpURLConnection) url.openConnection(); conn.setRequestProperty("Authorization", "Basic " + base64.encode(user + ":" + pass)); httpIn = new BufferedInputStream(conn.getInputStream(), 8192); } catch (IOException e) { System.err.println("Unable to connect: " + e.getMessage()); return; } int prev = 0; int cur = 0; try { while (keepAlive && (cur = httpIn.read()) >= 0) { if (prev == 0xFF && cur == 0xD8) { jpgOut = new ByteArrayOutputStream(8192); jpgOut.write((byte) prev); } if (jpgOut != null) { jpgOut.write((byte) cur); } if (prev == 0xFF && cur == 0xD9) { synchronized (curFrame) { curFrame = jpgOut.toByteArray(); } frameAvailable = true; jpgOut.close(); } prev = cur; } } catch (IOException e) { System.err.println("I/O Error: " + e.getMessage()); } try { jpgOut.close(); httpIn.close(); } catch (IOException e) { System.err.println("Error closing streams: " + e.getMessage()); } conn.disconnect(); }
public static void main(String args[]) { DatagramSocket aSocket = null; try { aSocket = new DatagramSocket(); String stringMsg = "0"; String prevReply = "0"; InetAddress aHost = InetAddress.getByName("localhost"); // recieve a message from the same computer int serverPort = 6789; // agreed port while (true) { stringMsg = "" + (Integer.parseInt(stringMsg) + 1); byte[] message = stringMsg.getBytes(); DatagramPacket request = new DatagramPacket(message, message.length, aHost, serverPort); System.out.printf("Producer: Sending: %s\n", stringMsg); aSocket.send(request); // send a message byte[] buffer = new byte[1000]; DatagramPacket reply = new DatagramPacket(buffer, buffer.length); aSocket.receive(reply); // wait for a reply try { Thread.sleep(2000); // have a small waiting period } catch (InterruptedException e) { } } } catch (SocketException e) { System.out.println("Socket: " + e.getMessage()); } catch (IOException e) { System.out.println("IO: " + e.getMessage()); } finally { if (aSocket != null) aSocket.close(); } }
public boolean connectToServer(String ip, String userName) { try { socket = new Socket(ip, 45322); lnOut("Connected to server!"); ; streamFromServer = new DataInputStream(socket.getInputStream()); streamToServer = new DataOutputStream(socket.getOutputStream()); // With the connection established, create the server connection module. serverCon = new ServerConnection(this, streamToServer); // next start a thread that listens to incoming // messages from the game server via TCP. listener = new TCPListenerThread(this, client, streamFromServer); // finally send the requested user name to the server. streamToServer.write(userName.getBytes()); return true; } catch (UnknownHostException e) { System.out.println("Don't know about host: " + ip); System.out.println(e.getMessage()); return false; } catch (IOException e) { System.out.println("Couldn't get I/O for the connection to: " + ip); System.out.println(e.getMessage()); return false; } catch (Exception e) { System.out.println(e.getMessage()); return false; } }
public IRCSandbox() { try { IRCServerConnection irc = new IRCServerConnection( "chat.freenode.net", 6667, "sandbox_bot", "localhost", "Frank Hale"); irc.addIRCAuthListener( new IRCAuthListener() { public void afterAuthentication(IRCServerConnection irc) { try { irc.sendJOIN("##sandbox"); } catch (IOException ioe) { System.out.println(ioe.getMessage()); } } }); irc.addIRCRawDataListener( new IRCRawDataListener() { public void processRawData(IRCServerConnection irc, String msg) { System.out.println(msg); } }); irc.Connect(); } catch (IOException ioe) { System.out.println(ioe.getMessage()); } }
private void handleKeepAlive() { Connection c = null; try { netCode = ois.readInt(); c = checkConnectionNetCode(); if (c != null && c.getState() == Connection.STATE_CONNECTED) { oos.writeInt(ACK_KEEP_ALIVE); oos.flush(); System.out.println("->ACK_KEEP_ALIVE"); // $NON-NLS-1$ } else { System.out.println("->NOT_CONNECTED"); // $NON-NLS-1$ oos.writeInt(NOT_CONNECTED); oos.flush(); } } catch (IOException e) { System.out.println("handleKeepAlive: " + e.getMessage()); // $NON-NLS-1$ if (c != null) { c.setState(Connection.STATE_DISCONNECTED); System.out.println( "Connection closed with " + c.getRemoteAddress() + //$NON-NLS-1$ ":" + c.getRemotePort()); // $NON-NLS-1$ } } }
void searchName(String nameToMatch) { URI url; try { // We should look up the miITIS_TSN status, but since we don't // have any options there ... url = new URI("http", "www.google.com", "/search", "q=" + nameToMatch); // I think the URI handles the URL encoding? } catch (URISyntaxException e) { throw new RuntimeException(e); } try { Desktop desktop = Desktop.getDesktop(); desktop.browse(url); } catch (IOException e) { MessageBox.messageBox( mainFrame, "Could not open URL '" + url + "'", "The following error occurred while looking up URL '" + url + "': " + e.getMessage(), MessageBox.ERROR); } }
void lookUpTaxonID(String taxonID) { URI url; try { // We should look up the miITIS_TSN status, but since we don't // have any options there ... url = new URI( "http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=" + taxonID); } catch (URISyntaxException e) { throw new RuntimeException(e); } try { Desktop desktop = Desktop.getDesktop(); desktop.browse(url); } catch (IOException e) { MessageBox.messageBox( mainFrame, "Could not open URL '" + url + "'", "The following error occurred while looking up URL '" + url + "': " + e.getMessage(), MessageBox.ERROR); } }
/** * 向服务器发送命令行,给服务器端处理 * * @param lines 命令行 */ public static void clientSend(String[] lines) { if (lines != null && lines.length <= 0) { return; } Socket socket = null; PrintWriter writer = null; try { socket = new Socket("localhost", port); writer = new PrintWriter( new BufferedWriter( new OutputStreamWriter( socket.getOutputStream(), EncodeConstants.ENCODING_UTF_8))); for (int i = 0; i < lines.length; i++) { writer.println(lines[i]); } writer.flush(); } catch (Exception e) { FRContext.getLogger().error(e.getMessage(), e); } finally { try { writer.close(); socket.close(); } catch (IOException e) { FRContext.getLogger().error(e.getMessage(), e); } } }
/** * Create an Archival Unit * * @return true If successful */ private boolean createAu() { Configuration config = getAuConfigFromForm(); AuProxy au; Element element; try { au = getRemoteApi().createAndSaveAuConfiguration(getPlugin(), config); } catch (ArchivalUnit.ConfigurationException exception) { return error("Configuration failed: " + exception.getMessage()); } catch (IOException exception) { return error("Unable to save configuration: " + exception.getMessage()); } /* * Successful creation - add the AU name and ID to the response document */ element = getXmlUtils().createElement(getResponseRoot(), AP_E_AU); XmlUtils.addText(element, au.getName()); element = getXmlUtils().createElement(getResponseRoot(), AP_E_AUID); XmlUtils.addText(element, au.getAuId()); return true; }
public void init(ConfigDataIF config) throws Exception { mgr = config.getManager(); mySink = config.getStage().getSink(); myName = config.getStage().getName(); // reading the config params String s; s = config.getString("server"); if (s != null) SERVER_HOSTNAME = s; int port = config.getInt("port"); if (port == -1) port = GnutellaConst.DEFAULT_GNUTELLA_PORT; packetTable = new Hashtable(); try { gs = new GnutellaServer(mgr, mySink, port); if (DO_CATCHER) doCatcher(); } catch (IOException ioe) { System.err.println("Could not start server: " + ioe.getMessage()); return; } System.err.println("Created GnutellaServer: " + gs); if (DO_CLEANER) { timer = new ssTimer(); timer.registerEvent(CLEAN_TIMER_FREQUENCY, new timerEvent(1), mySink); } }
// callRestfulApi - Calls restful API and returns results as a string public String callRestfulApi( String addr, HttpServletRequest request, HttpServletResponse response) { if (localCookie) CookieHandler.setDefault(cm); try { ByteArrayOutputStream output = new ByteArrayOutputStream(); URL url = new URL(API_ROOT + addr); URLConnection urlConnection = url.openConnection(); String cookieVal = getBrowserInfiniteCookie(request); if (cookieVal != null) { urlConnection.addRequestProperty("Cookie", "infinitecookie=" + cookieVal); urlConnection.setDoInput(true); urlConnection.setDoOutput(true); urlConnection.setRequestProperty("Accept-Charset", "UTF-8"); } IOUtils.copy(urlConnection.getInputStream(), output); String newCookie = getConnectionInfiniteCookie(urlConnection); if (newCookie != null && response != null) { setBrowserInfiniteCookie(response, newCookie, request.getServerPort()); } return output.toString(); } catch (IOException e) { System.out.println(e.getMessage()); return null; } } // TESTED
private boolean connectSPPMon() { if (state == ConnectionEvent.CONNECTION_PENDING) { ExpCoordinator.print( new String("NCCPConnection(" + host + ", " + port + ").connect connection pending"), 0); while (state == ConnectionEvent.CONNECTION_PENDING) { try { Thread.sleep(500); } catch (java.lang.InterruptedException e) { } } return (isConnected()); } state = ConnectionEvent.CONNECTION_PENDING; if (nonProxy != null) { try { nonProxy.connect(); } catch (UnknownHostException e) { boolean rtn = informUserError("Don't know about host: " + host + ":" + e.getMessage()); return rtn; } catch (SocketTimeoutException e) { boolean rtn = informUserError("Socket time out for " + host + ":" + e.getMessage()); return rtn; } catch (IOException e) { boolean rtn = informUserError("Couldnt get I/O for " + host + ":" + e.getMessage()); return rtn; } } return (isConnected()); }
private Class<?> findClassInComponents(final String name) throws ClassNotFoundException { final String classFilename = this.getClassFilename(name); final Enumeration<File> e = this.pathComponents.elements(); while (e.hasMoreElements()) { final File pathComponent = e.nextElement(); InputStream stream = null; try { stream = this.getResourceStream(pathComponent, classFilename); if (stream != null) { this.log("Loaded from " + pathComponent + " " + classFilename, 4); return this.getClassFromStream(stream, name, pathComponent); } continue; } catch (SecurityException se) { throw se; } catch (IOException ioe) { this.log( "Exception reading component " + pathComponent + " (reason: " + ioe.getMessage() + ")", 3); } finally { FileUtils.close(stream); } } throw new ClassNotFoundException(name); }
public static void ensureExists(File thing, String resource) { System.err.println("configfile = " + thing); if (!thing.exists()) { try { System.err.println("Creating: " + thing + " from " + resource); if (resource.indexOf("/") != 0) { resource = "/" + resource; } InputStream is = Config.class.getResourceAsStream(resource); if (is == null) { throw new NullPointerException("Can't find resource: " + resource); } getParentFile(thing).mkdirs(); OutputStream os = new FileOutputStream(thing); for (int next = is.read(); next != -1; next = is.read()) { os.write(next); } os.flush(); os.close(); } catch (FileNotFoundException fnfe) { throw new Error("Can't create resource: " + fnfe.getMessage()); } catch (IOException ioe) { throw new Error("Can't create resource: " + ioe.getMessage()); } } }
public void sendOutput(Object obj) { try { oos.writeObject(obj); oos.flush(); } catch (IOException e) { System.out.println(e.getMessage()); } }
/** Initialize server with default port */ public Server() { try { server = new ServerSocket(1234); } catch (IOException e) { System.out.println("Can't initialize server: " + e.getMessage()); // TODO: exit main thread } }
public Server(int port, int backlog, String ip) { try { server = new ServerSocket(port, backlog, InetAddress.getByName(ip)); } catch (IOException e) { System.out.println("Can't initialize server: " + e.getMessage()); // TODO: exit main thread } }
public synchronized void send(String msg) { try { streamOut.writeUTF(msg); } catch (IOException ioe) { System.err.println("Sending error: " + ioe.getMessage()); System.exit(0); } }
public void openLink(String link) { if (WWUtil.isEmpty(link)) return; try { try { // See if the link is a URL, and invoke the browser if it is URL url = new URL(link.replace(" ", "%20")); Desktop.getDesktop().browse(url.toURI()); return; } catch (MalformedURLException ignored) { // just means that the link is not a URL } // It's not a URL, so see if it's a file and invoke the desktop to open it if it is. File file = new File(link); if (file.exists()) { Desktop.getDesktop().open(new File(link)); return; } String message = "Cannot open resource. It's not a valid file or URL."; Util.getLogger().log(Level.SEVERE, message); this.showErrorDialog(null, "No Reconocido V\u00ednculo", message); } catch (UnsupportedOperationException e) { String message = "Unable to open resource.\n" + link + (e.getMessage() != null ? "\n" + e.getMessage() : ""); Util.getLogger().log(Level.SEVERE, message, e); this.showErrorDialog(e, "Error Opening Resource", message); } catch (IOException e) { String message = "I/O error while opening resource.\n" + link + (e.getMessage() != null ? ".\n" + e.getMessage() : ""); Util.getLogger().log(Level.SEVERE, message, e); this.showErrorDialog(e, "I/O Error", message); } catch (Exception e) { String message = "Error attempting to open resource.\n" + link + (e.getMessage() != null ? "\n" + e.getMessage() : ""); Util.getLogger().log(Level.SEVERE, message); this.showMessageDialog(message, "Error Opening Resource", JOptionPane.ERROR_MESSAGE); } }
/** * Makes a single attempt to read a UTF string from the client. * * @return data Contains the result of an attempted read from the client. Contains 'null' if there * was nothing to read. */ public String Listen() { String data = null; try { data = in.readUTF(); } catch (IOException e) { System.err.println("IO: " + e.getMessage()); } return data; } // end Listen
public ChatServer(int port) { try { System.out.println("Binding to port " + port + ", please wait ..."); server = new ServerSocket(port); System.out.println("Server started: " + server); start(); } catch (IOException ioe) { System.out.println("Can not bind to port " + port + ": " + ioe.getMessage()); } }
public void send(String msg) { try { streamOut.writeUTF(msg); streamOut.flush(); } catch (IOException ioe) { System.out.println(ID + " ERROR sending: " + ioe.getMessage()); server.remove(ID); stop(); } }
@Override public void run() { isActive = true; try { serverSocket = new ServerSocket(Utils.getLOCAL_PORT()); notifyStatusListeners( Messages.getInstance() .getString( "T_NET_SERVER_LISTENING_ON_PORT", Integer.toString(Utils.getLOCAL_PORT()))); // $NON-NLS-1$ } catch (IOException e) { if (e instanceof BindException) { notifyStatusListeners( Messages.getInstance() .getString( "T_PORT_ALREADY_IN_USE", Integer.toString(Utils.getLOCAL_PORT()))); // $NON-NLS-1$ } else e.printStackTrace(); isActive = false; } while (isActive) { try { listenSocket = serverSocket.accept(); ois = new ObjectInputStream(listenSocket.getInputStream()); oos = new ObjectOutputStream(listenSocket.getOutputStream()); receivedMessage = ois.readInt(); System.out.println(messageToString(receivedMessage)); switch (receivedMessage) { case CONNECT: handleConnect(); break; case SEND_CODE: handleSendCode(); break; case KEEP_ALIVE: handleKeepAlive(); break; case DISCONNECT: handleDisconnect(); break; } ois.close(); oos.close(); } catch (IOException e) { System.out.println(e.getMessage()); } finally { if (listenSocket != null) try { listenSocket.close(); } catch (IOException e) { e.printStackTrace(); } } } }
/** * 以阻塞的方式立即下载一个文件,该方法会覆盖已经存在的文件 * * @param task * @return "ok" if download success (else return errmessage); */ static String download(DownloadTask task) { if (!openedStatus && show) openStatus(); URL url; HttpURLConnection conn; try { url = new URL(task.getOrigin()); conn = (HttpURLConnection) url.openConnection(); conn.setConnectTimeout(30000); conn.setReadTimeout(30000); conn.setRequestProperty( "User-Agent", "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.134 Safari/" + Math.random()); if ("www.imgjav.com".equals(url.getHost())) { // 该网站需要带cookie请求 conn.setRequestProperty( "User-Agent", "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.134 Safari/537.36"); // conn.setRequestProperty("Cookie", "__cfduid=d219ea333c7a9b5743b572697b631925a1446093229; // cf_clearance=6ae62d843f5d09acf393f9e4eb130d9366840c82-1446093303-28800"); conn.setRequestProperty( "Cookie", "__cfduid=d6ee846b378bb7d5d173a05541f8a2b6a1446090548; cf_clearance=ea10e8db31f8b6ee51570b118dd89b7e616d7b62-1446099714-28800"); conn.setRequestProperty("Host", "www.imgjav.com"); } Path directory = Paths.get(task.getDest()).getParent(); if (!Files.exists(directory)) Files.createDirectories(directory); } catch (Exception e) { e.printStackTrace(); return e.getMessage(); } try (InputStream is = conn.getInputStream(); BufferedInputStream in = new BufferedInputStream(is); FileOutputStream fos = new FileOutputStream(task.getDest()); OutputStream out = new BufferedOutputStream(fos); ) { int length = conn.getContentLength(); if (length < 1) throw new IOException("length<1"); byte[] binary = new byte[length]; byte[] buff = new byte[65536]; int len; int index = 0; while ((len = in.read(buff)) != -1) { System.arraycopy(buff, 0, binary, index, len); index += len; allLen += len; // allLen有线程安全的问题 ,可能会不正确。无需精确数据,所以不同步了 task.setReceivePercent(String.format("%.2f", ((float) index / length) * 100) + "%"); } out.write(binary); } catch (IOException e) { e.printStackTrace(); return e.getMessage(); } return "ok"; }
public void run() { System.out.println("Server Thread " + ID + " running."); while (true) { try { server.handle(ID, streamIn.readUTF()); } catch (IOException ioe) { System.out.println(ID + " ERROR reading: " + ioe.getMessage()); server.remove(ID); stop(); } } }
private Serializable decodeMsg(MessageExt msg) { if (msg == null) { return null; } // 1.反序列化 try { return HessianUtils.decode(msg.getBody()); } catch (IOException e) { logger.error("反序列化出错!" + e.getMessage(), e); return null; } }