示例#1
1
  private String detectAgentUrl(
      HttpServer pServer, JolokiaServerConfig pConfig, String pContextPath) {
    serverAddress = pServer.getAddress();
    InetAddress realAddress;
    int port;
    if (serverAddress != null) {
      realAddress = serverAddress.getAddress();
      if (realAddress.isAnyLocalAddress()) {
        try {
          realAddress = NetworkUtil.getLocalAddress();
        } catch (IOException e) {
          try {
            realAddress = InetAddress.getLocalHost();
          } catch (UnknownHostException e1) {
            // Ok, ok. We take the original one
            realAddress = serverAddress.getAddress();
          }
        }
      }
      port = serverAddress.getPort();
    } else {
      realAddress = pConfig.getAddress();
      port = pConfig.getPort();
    }

    return String.format(
        "%s://%s:%d%s", pConfig.getProtocol(), realAddress.getHostAddress(), port, pContextPath);
  }
  /**
   * Attempts to log a client in using the authentication server. Authentication server needs to run
   * on the same host as the file server.
   *
   * @throws IOException Error reading from socket.
   */
  private void login() throws IOException {
    // set up required variables
    DatagramSocket clientSocket = new DatagramSocket();
    InetAddress authServerIP =
        InetAddress
            .getLocalHost(); // because authentication server runs on same host as file server
    byte[] dataToSend;
    byte[] receivedData = new byte[BUFFER_SIZE];

    // get username and password
    String userName = inFromClient.readLine().trim(); // get username
    String password = inFromClient.readLine().trim(); // get password
    dataToSend = new String(userName + " " + password).getBytes();

    // send the username and password for processing by authentication server
    DatagramPacket packetToSend =
        new DatagramPacket(dataToSend, dataToSend.length, authServerIP, AUTHENTICATION_PORT);
    clientSocket.send(packetToSend);

    // receive the response from the authentication server
    DatagramPacket receivedPacket = new DatagramPacket(receivedData, receivedData.length);
    clientSocket.receive(receivedPacket);
    String receivedString = new String(receivedPacket.getData()).trim();
    receivedData = receivedString.getBytes();
    if (receivedString.equals("yes")) {
      outToClient.writeBytes(receivedString); // successful login
    } else {
      outToClient.writeBytes("no"); // unsuccessful login
    }
  }
示例#3
0
 public static void main(String args[]) throws UnknownHostException {
   ChatClient client = null;
   InetAddress address;
   if (args.length != 2) System.out.println("Usage: java ChatClient host port");
   else {
     address = InetAddress.getByName(args[0]);
     client = new ChatClient(address, Integer.parseInt(args[1]));
   }
 }
示例#4
0
文件: Util.java 项目: gubo/slipwire
  /** @return */
  public static String getIPv4Address() {
    String ipv4address = null;

    try {
      final List<NetworkInterface> networkinterfaces =
          Collections.list(NetworkInterface.getNetworkInterfaces());
      for (final NetworkInterface networkinterface : networkinterfaces) {
        final List<InetAddress> addresses = Collections.list(networkinterface.getInetAddresses());
        for (final InetAddress address : addresses) {
          if ((address == null) || address.isLoopbackAddress()) {
            continue;
          }
          if (address instanceof Inet4Address) {
            ipv4address = address.getHostAddress().toString();
            break;
          }
        }
      }
    } catch (Exception x) {
      DBG.m(x);
    }

    return ipv4address;
  }