@Override
    public void run() {

      List<Socket> inProgress = new ArrayList<>();
      ServerSocketFactory factory = ServerSocketFactory.getDefault();

      try {
        ss = factory.createServerSocket(0);
        ss.setSoTimeout(5000);

        socketReadyLatch.countDown();
        while (!interrupted()) {
          inProgress.add(ss.accept()); // eat socket
        }
      } catch (java.net.SocketTimeoutException expected) {
      } catch (Exception e) {
        e.printStackTrace();
      } finally {
        try {
          ss.close();
        } catch (IOException ignored) {
        }
        for (Socket s : inProgress) {
          try {
            s.close();
          } catch (IOException ignored) {
          }
        }
      }
    }
Exemple #2
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 private void writeHostAndPortToFile(File portFile) {
   String host = socket.getInetAddress().getHostName();
   int port = socket.getLocalPort();
   // The motivation for the Log.warn would be better satisfied by Bug 38.
   Log.warn("echo " + host + ":" + port + " > " + portFile);
   StringUtilities.writeFile(portFile, host + ":" + port + "\n");
 }
  public static void main(String[] args) throws IOException {
    ServerSocket serverSocket = null;

    try {
      serverSocket = new ServerSocket(10008);
      System.out.println("Enroll: 130050131071");
      System.out.println("Connection Socket Created");
      try {
        while (true) {
          System.out.println("Waiting for Connection");
          new EchoServer2(serverSocket.accept());
        }
      } catch (IOException e) {
        System.err.println("Accept failed.");
        System.exit(1);
      }
    } catch (IOException e) {
      System.err.println("Could not listen on port: 10008.");
      System.exit(1);
    } finally {
      try {
        serverSocket.close();
      } catch (IOException e) {
        System.err.println("Could not close port: 10008.");
        System.exit(1);
      }
    }
  }
Exemple #4
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 /** Listens for client requests until stopped. */
 public void run() {
   try {
     while (listener != null) {
       try {
         Socket socket = serverSocket.accept();
         if (!paranoid || checkSocket(socket)) {
           Runner runner = getRunner();
           runner.handle(socket);
           // new Connection (socket);
         } else socket.close();
       } catch (Exception ex) {
         System.err.println("Exception in XML-RPC listener loop (" + ex + ").");
       } catch (Error err) {
         System.err.println("Error in XML-RPC listener loop (" + err + ").");
       }
     }
   } catch (Exception exception) {
     System.err.println("Error accepting XML-RPC connections (" + exception + ").");
   } finally {
     System.err.println("Closing XML-RPC server socket.");
     try {
       serverSocket.close();
       serverSocket = null;
     } catch (IOException ignore) {
     }
   }
 }
  public void run() throws IOException {
    ServerSocket server = new ServerSocket(this.portNumber);
    this.socket = server.accept();
    this.socket.setTcpNoDelay(true);
    server.close();

    DataInputStream in = new DataInputStream(this.socket.getInputStream());
    final DataOutputStream out = new DataOutputStream(this.socket.getOutputStream());
    while (true) {
      final String className = in.readUTF();
      Thread thread =
          new Thread() {
            public void run() {
              try {
                loadAndRun(className);
                out.writeBoolean(true);
                System.err.println(VerifyTests.class.getName());
                System.out.println(VerifyTests.class.getName());
              } catch (Throwable e) {
                e.printStackTrace();
                try {
                  System.err.println(VerifyTests.class.getName());
                  System.out.println(VerifyTests.class.getName());
                  out.writeBoolean(false);
                } catch (IOException e1) {
                  // ignore
                }
              }
            }
          };
      thread.start();
    }
  }
 @AfterClass
 public static void tearDownClass() {
   Logger.info(
       HttpClientUtilsTest.class,
       "============= [tearDownClass]global take time milliseconds: "
           + (System.currentTimeMillis() - g_beginTime));
   if (httpServer != null) {
     httpServer.stop(0);
   }
   if (httpServer2 != null) {
     httpServer2.stop(0);
   }
   if (serverSocket != null && !serverSocket.isClosed()) {
     try {
       serverSocket.close();
     } catch (IOException e) {
       e.printStackTrace();
     }
   }
   for (Socket s : clientSockets) {
     try {
       if (!s.isClosed()) s.close();
     } catch (IOException e) {
       e.printStackTrace();
     }
   }
 }
Exemple #7
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  /** Create the serversocket and use its stream to receive serialized objects */
  public static void main(String args[]) {

    ServerSocket ser = null;
    Socket soc = null;
    String str = null;
    Date d = null;

    try {
      ser = new ServerSocket(8020);
      /*
       * This will wait for a connection to be made to this socket.
       */
      soc = ser.accept();
      InputStream o = soc.getInputStream();
      ObjectInput s = new ObjectInputStream(o);
      str = (String) s.readObject();
      d = (Date) s.readObject();
      s.close();

      // print out what we just received
      System.out.println(str);
      System.out.println(d);
    } catch (Exception e) {
      System.out.println(e.getMessage());
      System.out.println("Error during serialization");
      System.exit(1);
    }
  }
  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.");
        }
      }
    }
  }
  /** Creates the server. */
  public static void main(String args[]) {
    client = null;
    ServerSocket server = null;

    try {
      System.out.print("\nCreating Server...\n");
      // creates the server
      server = new ServerSocket(8008);
      System.out.print("Created\n");
      // get the ip Address and the host name.
      InetAddress localAddr = InetAddress.getLocalHost();
      System.out.println("IP address: " + localAddr.getHostAddress());
      System.out.println("Hostname: " + localAddr.getHostName());

    } catch (IOException e) {
      // sends a
      System.out.println("IO" + e);
    }

    // constantly checks for a new aocket trying to attach itself to the trhead
    while (true) {
      try {
        client = server.accept();
        // create a new thread.
        FinalMultiThread thr = new FinalMultiThread(client);
        System.out.print(client.getInetAddress() + " : " + thr.getUserName() + "\n");
        CliList.add(thr);
        current++;
        thr.start();
      } catch (IOException e) {
        System.out.println(e);
      }
    }
  }
Exemple #10
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  public static void main(String args[]) throws IOException {
    ServerSocket sSocket = new ServerSocket(sPort, 10);

    // Arguments Handling
    if (args.length != 1) {
      System.out.println("Must specify a file-path argument.");
    } else {
      String currentDir = System.getProperty("user.dir");
      filePath = currentDir + "/src/srcFile/" + args[0];
      filename = args[0];
    }

    // Get list of chunks owned
    chunkOwned();

    // Call FileSplitter
    FileSplitter fs = new FileSplitter();
    fs.split(filePath);

    System.out.println("Waiting for connection");
    while (true) {
      Socket connection = sSocket.accept();
      System.out.println("Connection received from " + connection.getInetAddress().getHostName());

      new Thread(new MultiThreadServer(connection)).start();
    }
  }
 /**
  * creates a server socket listening on port specified in the object constructor, and then
  * enters an infinite loop waiting for incoming socket connection requests representing a worker
  * process attempting to connect to this server, which it handles via the enclosing server's
  * <CODE>addNewWorkerConnection(s)</CODE> method.
  */
 public void run() {
   try {
     ServerSocket ss = new ServerSocket(_port);
     System.out.println("Srv: Now Accepting Worker Connections");
     while (true) {
       try {
         Socket s = ss.accept();
         System.out.println("Srv: Incoming New Worker Connection to the Network");
         System.out.println(
             "Srv: Thread may have to wait if an init_cmd has not yet arrived from the client");
         addNewWorkerConnection(s);
         System.out.println("Srv: finished adding new worker connection to the _workers");
       } catch (Exception e) {
         utils.Messenger.getInstance()
             .msg(
                 "PDBTExecSingleCltWrkInitSrv.W2Thread.run(): "
                     + "An error occured while adding new worker connection",
                 2);
         // e.printStackTrace();
       }
     }
   } catch (IOException e) {
     // e.printStackTrace();
     utils.Messenger.getInstance()
         .msg(
             "PDBTExecSingleCltWrkInitSrv.W2Thread.run(): "
                 + "Failed to create Server Socket, Server exiting.",
             0);
     System.exit(-1);
   }
 }
 /**
  * creates a server socket listening on the port specified in the parameter of the constructor,
  * and waits for a single incoming client connection which it handles by invoking the <CODE>
  * addNewClientConnection(s)</CODE> method of the enclosing server, and then the thread exits.
  */
 public void run() {
   try {
     ServerSocket ss = new ServerSocket(_port);
     System.out.println("Srv: Now Accepting Single Client Connection");
     // while (true) {
     try {
       Socket s = ss.accept();
       System.out.println("Srv: Client Added to the Network");
       addNewClientConnection(s);
       System.out.println("Srv: finished adding client connection");
     } catch (Exception e) {
       // e.printStackTrace();
       System.err.println("Client Connection failed, exiting...");
       System.exit(-1);
     }
     // }
   } catch (IOException e) {
     // e.printStackTrace();
     utils.Messenger.getInstance()
         .msg(
             "PDBTExecSingleCltWrkInitSrv.C2Thread.run(): "
                 + "Failed to create Server Socket, Server exiting.",
             0);
     System.exit(-1);
   }
 }
Exemple #13
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  public static void main(String[] args) throws IOException {

    ServerSocket serverSocket = null;
    try {
      serverSocket = new ServerSocket(PORT);
    } catch (IOException e) {
      System.err.println("Could not listen on port: " + PORT + ".");
      System.exit(1);
    }

    while (true) {

      Socket clientSocket = null;
      try {
        clientSocket = serverSocket.accept();
        startTime = System.currentTimeMillis();
      } catch (IOException e) {
        System.err.println("Accept failed.");
        System.exit(1);
      }

      PrintWriter out = new PrintWriter(clientSocket.getOutputStream(), true);
      BufferedReader in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
      String inputLine, outputLine;

      while ((inputLine = in.readLine()) != null) {

        if (messageCount.get(clientSocket) == null) {
          messageCount.put(clientSocket, 1);
        } else {
          messageCount.put(clientSocket, messageCount.get(clientSocket) + 1);
        }

        overallMessageCount += 1;
        System.out.println("---------------------------------------");
        System.out.println("Client: " + clientSocket.toString());
        System.out.println(
            "aktive since " + ((System.currentTimeMillis() - startTime) / 1000) + " seconds");
        System.out.println(new Date(System.currentTimeMillis()));
        System.out.println("Overall Message Count: " + overallMessageCount);
        System.out.println("Message Count from Client: " + messageCount.get(clientSocket));
        System.out.println("Message " + inputLine);
        System.out.println("---------------------------------------");
        outputLine = inputLine.toUpperCase();

        if (outputLine.equals("END")) {
          out.println("abort");
          break;
        }
        out.println(outputLine);
      }
      out.close();
      in.close();
      clientSocket.close();

      System.out.println("All Closed");
    }
    // serverSocket.close();
  }
Exemple #14
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  public static void main(String args[]) throws Exception {
    int count = 0;
    ServerSocket serv = null;
    InputStream in = null;
    OutputStream out = null;
    Socket sock = null;
    int clientId = 0;
    Map<Integer, Integer> totals = new HashMap<Integer, Integer>();

    try {
      serv = new ServerSocket(8888);
    } catch (Exception e) {
      e.printStackTrace();
    }
    while (serv.isBound() && !serv.isClosed()) {
      System.out.println("Ready...");
      try {
        sock = serv.accept();
        in = sock.getInputStream();
        out = sock.getOutputStream();

        char c = (char) in.read();

        System.out.print("Server received " + c);
        switch (c) {
          case 'r':
            clientId = in.read();
            totals.put(clientId, 0);
            out.write(0);
            break;
          case 't':
            clientId = in.read();
            int x = in.read();
            System.out.print(" for client " + clientId + " " + x);
            Integer total = totals.get(clientId);
            if (total == null) {
              total = 0;
            }
            totals.put(clientId, total + x);
            out.write(totals.get(clientId));
            break;
          default:
            int x2 = in.read();
            int y = in.read();
            System.out.print(" " + x2 + " " + y);
            out.write(x2 + y);
        }
        System.out.println("");
        out.flush();
      } catch (Exception e) {
        e.printStackTrace();
      } finally {
        if (out != null) out.close();
        if (in != null) in.close();
        if (sock != null) sock.close();
      }
    }
  }
 public void startServer() throws IOException {
   serverSock = new ServerSocket();
   serverSock.bind(new InetSocketAddress(ip, port));
   System.out.println("You have connected");
   while (true) {
     Socket socket = serverSock.accept(); // Remember that .accept is a blocking call.
     handleClient(socket);
   }
 }
Exemple #16
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 /** launches the administration of the switch */
 private void runAdmin() {
   try {
     final ServerSocket ss = new ServerSocket(admin_port);
     while (
     /*!this.stop &&*/ !Main.stop) { // Idealement, il faurait gerer un pool de threads
       Socket s = ss.accept();
       new Thread(new AdminSwitch(this, s)).start();
     }
   } catch (IOException e) {
     System.err.println("pb de connection admin switch");
   }
 }
Exemple #17
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 /** Starts the server. */
 public void start() {
   System.out.println("JavaChat server started on port " + PORT_NUMBER + "!");
   try {
     ServerSocket s = new ServerSocket(PORT_NUMBER);
     for (; ; ) {
       Socket incoming = s.accept();
       new ClientHandler(incoming).start();
     }
   } catch (Exception e) {
     e.printStackTrace();
   }
   System.out.println("JavaChat server stopped.");
 }
Exemple #18
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 public void launch() {
   try {
     ss = new ServerSocket(8888);
     started = true;
     System.out.println("server is start!");
     while (started) {
       s = ss.accept();
       VClient vc = new VClient(s);
       clients.add(vc);
       new Thread(vc).start();
     }
     ss.close();
   } catch (IOException e) {
     e.printStackTrace();
   }
 }
  public SetIfModifiedSince() throws Exception {

    serverSock = new ServerSocket(0);
    int port = serverSock.getLocalPort();

    Thread thr = new Thread(this);
    thr.start();

    Date date = new Date(new Date().getTime() - 1440000); // this time yesterday
    URL url;
    HttpURLConnection con;

    // url = new URL(args[0]);
    url = new URL("http://localhost:" + String.valueOf(port) + "/anything");
    con = (HttpURLConnection) url.openConnection();

    con.setIfModifiedSince(date.getTime());
    con.connect();
    int ret = con.getResponseCode();

    if (ret == 304) {
      System.out.println("Success!");
    } else {
      throw new RuntimeException(
          "Test failed! Http return code using setIfModified method is:"
              + ret
              + "\nNOTE:some web servers are not implemented according to RFC, thus a failed test does not necessarily indicate a bug in setIfModifiedSince method");
    }
  }
Exemple #20
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  /**
   * Closes the server socket and the connections with all clients. Any exception thrown while
   * closing a client is ignored. If one wishes to catch these exceptions, then clients should be
   * individually closed before calling this method. The method also stops listening if this thread
   * is running. If the server is already closed, this call has no effect.
   *
   * @exception IOException if an I/O error occurs while closing the server socket.
   */
  public final void close() throws IOException {
    if (serverSocket == null) return;
    stopListening();

    try {
      serverSocket.close();
    } finally {
      synchronized (this) {
        // Close the client sockets of the already connected clients
        Thread[] clientThreadList = getClientConnections();
        for (int i = 0; i < clientThreadList.length; i++) {
          try {
            ((ConnectionToClient) clientThreadList[i]).close();
          }
          // Ignore all exceptions when closing clients.
          catch (Exception ex) {
          }
        }
        serverSocket = null;
      }

      try {
        connectionListener.join(); // Wait for the end of listening thread.
      } catch (InterruptedException ex) {
      } catch (NullPointerException ex) {
      } // When thread already dead.

      serverClosed();
    }
  }
Exemple #21
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 public void startServer() throws Exception {
   while (true) {
     Socket s = server.accept();
     cClient.add(new ClientConn(s));
     ta.append("NEW-CLIENT " + s.getInetAddress() + ":" + s.getPort());
     ta.append("\n" + "CLIENTS-COUNT: " + cClient.size() + "\n\n");
   }
 }
Exemple #22
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  public void run() {
    try {
      SocketChannel sc = SocketChannel.open();
      InetSocketAddress sinaAddr = new InetSocketAddress("sina.com", 80);
      sc.socket().connect(sinaAddr);

      // init a selector via helper class selector provider
      Selector aSel = SelectorProvider.provider().openSelector();

      Socket soc = new Socket("host", 80);
      soc.getChannel().register(aSel, SelectionKey.OP_ACCEPT);

      // init a channel for server socket. method 1
      ServerSocketChannel ssc = ServerSocketChannel.open();
      ssc.configureBlocking(true);

      // method 2, get server socket first, then init its channel
      ServerSocket ss = new ServerSocket();
      ServerSocketChannel ssc2 = ss.getChannel();

      // set socket channel as non blocking.
      ssc.configureBlocking(false);

      InetSocketAddress isa = new InetSocketAddress("localhost", 9999);
      ssc.socket().bind(isa);

      SelectionKey acceptKey = ssc.register(aSel, SelectionKey.OP_ACCEPT);
      int keysAdded = 0;
      while ((keysAdded = aSel.select()) > 0) {
        Set readyKeys = aSel.selectedKeys();
        Iterator i = readyKeys.iterator();
        while (i.hasNext()) {
          SelectionKey sk = (SelectionKey) i.next();
          i.remove();
          ServerSocketChannel n = (ServerSocketChannel) sk.channel();
          // now we got a new socket and its channel after accept in server
          Socket s = n.accept().socket();
          SocketChannel socketChannel = s.getChannel();
          socketChannel.register(aSel, SelectionKey.OP_READ);
        }
      }
    } catch (Exception e) {

    }
  }
Exemple #23
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 private void acceptConnections() {
   for (; ; ) {
     try {
       String handlerName = fullName + "-Handler-" + Thread.activeCount();
       new Thread(new ClientHandler(socket.accept()), handlerName).start();
     } catch (Exception ex) {
       Log.warn(fullName + ": exception accepting connection.", ex);
     }
   }
 }
 public void shutdown() {
   try {
     running = false;
     for (WorkerThread t : threads) {
       t.stopThread();
     }
     serverSocket.close();
   } catch (Exception ignore) {
   }
 }
Exemple #25
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 public void run() {
   try {
     while (true) {
       Socket nsk;
       try {
         nsk = sk.accept();
       } catch (IOException e) {
         break;
       }
       new Client(nsk);
     }
   } finally {
     try {
       sk.close();
     } catch (IOException e) {
       throw (new RuntimeException(e));
     }
   }
 }
  public void listen(EndPoint localEp, boolean isHttp) throws IOException {
    ServerSocketChannel serverChannel = ServerSocketChannel.open();
    ServerSocket ss = serverChannel.socket();
    ss.bind(localEp.getInetAddress());
    serverChannel.configureBlocking(false);

    SelectionKeyHandler handler = null;
    if (isHttp) {
      handler = new HttpConnectionHandler();
    } else {
      handler = new TcpConnectionHandler(localEp);
    }

    SelectionKey key =
        SelectorManager.getSelectorManager()
            .register(serverChannel, handler, SelectionKey.OP_ACCEPT);
    endPoints_.add(localEp);
    listenSockets_.put(localEp, key);
  }
 public void run() {
   boolean status;
   sf.DEBUG("Listen server running.");
   // open up our server socket
   try {
     m_serverSocket = new ServerSocket(m_nPort);
   } catch (IOException e) {
     sf.VERBOSE("Could not listen on port: " + m_nPort);
     if (sf.cntrlWndw != null) {
       sf.cntrlWndw.ClearListenServer();
     }
     return;
   }
   sf.VERBOSE("Listening for client connections on port " + m_nPort);
   // if (SerialForward.bSourceSim)
   // {
   SetDataSource();
   sf.InitSerialPortIO();
   // }
   // start listening for connections
   try {
     ClientServicer rcv;
     Socket currentSocket;
     while (!m_bShutdown) {
       currentSocket = m_serverSocket.accept();
       ClientServicer newServicer = new ClientServicer(currentSocket, sf, this);
       newServicer.start();
       vctServicers.add(newServicer);
     }
     m_serverSocket.close();
   } catch (IOException e) {
     /*try { this.sleep(500); }
     catch (Exception e2) { }*/
     sf.VERBOSE("Server Socket closed");
   } finally {
     ShutdownAllClientServicers();
     if (sf.serialPortIO != null) sf.serialPortIO.Shutdown();
     sf.VERBOSE("--------------------------");
     if (sf.cntrlWndw != null) {
       sf.cntrlWndw.ClearListenServer();
     }
   }
 }
 @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();
         }
     }
   }
 }
  public void start() {
    keepGoing = true;
    /* create socket server and wait for connection requests */
    try {
      // the socket used by the server
      ServerSocket serverSocket = new ServerSocket(port);

      // infinite loop to wait for connections
      while (keepGoing) {
        // format message saying we are waiting
        display("Server menunggu koneksi Client pada port " + port + ".");

        Socket socket = serverSocket.accept(); // accept connection
        // if I was asked to stop
        if (!keepGoing) break;
        ClientThread t = new ClientThread(socket); // make a thread of it
        al.add(t); // save it in the ArrayList
        t.start();
      }
      // I was asked to stop
      try {
        serverSocket.close();
        for (int i = 0; i < al.size(); ++i) {
          ClientThread tc = al.get(i);
          try {
            tc.sInput.close();
            tc.sOutput.close();
            tc.socket.close();
          } catch (IOException ioE) {
            // not much I can do
          }
        }
      } catch (Exception e) {
        display("Exception closing the server and clients: " + e);
      }
    }
    // something went bad
    catch (IOException e) {
      String msg = sdf.format(new Date()) + " Exception on new ServerSocket: " + e + "\n";
      display(msg);
    }
  }
Exemple #30
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  public void run() {

    while (true) {
      try {
        System.out.println(
            "TCP Server waiting for client on port " + serverSocket.getLocalPort() + "...");
        Socket server = serverSocket.accept();
        System.out.println("Just received request from " + server.getRemoteSocketAddress());

        /* parsing a request from socket */
        DataInputStream in = new DataInputStream(server.getInputStream());
        String request = in.readUTF();
        System.out.println("Request: " + request);

        /* handle the request */
        String output = null;
        output = requestHandler(request);
        System.out.print(output);

        /* display dataTable */
        System.out.print("-dataTable--------\n");
        Enumeration<String> key = dataTable.keys();
        while (key.hasMoreElements()) {
          String str = key.nextElement();
          System.out.println(str + ": " + dataTable.get(str));
        }
        System.out.print("------------------\n");

        /* send the result back to the client */
        DataOutputStream out = new DataOutputStream(server.getOutputStream());
        out.writeUTF(output);
        server.close();

      } catch (SocketTimeoutException s) {
        System.out.println("Socket timed out!");
        break;
      } catch (IOException e) {
        e.printStackTrace();
        break;
      }
    }
  }