Пример #1
0
  /**
   * Test concurrent reader and writer (GH-458).
   *
   * <p><b>Test case:</b>
   *
   * <ol>
   *   <li/>start a long running reader;
   *   <li/>try to start a writer: it should time out;
   *   <li/>stop the reader;
   *   <li/>start the writer again: it should succeed.
   * </ol>
   *
   * @throws Exception error during request execution
   */
  @Test
  @Ignore("There is no way to stop a query on the server!")
  public void testReaderWriter() throws Exception {
    final String readerQuery = "?query=(1%20to%20100000000000000)%5b.=1%5d";
    final String writerQuery = "/test.xml";
    final byte[] content = Token.token("<a/>");

    final Get readerAction = new Get(readerQuery);
    final Put writerAction = new Put(writerQuery, content);

    final ExecutorService exec = Executors.newFixedThreadPool(2);

    // start reader
    exec.submit(readerAction);
    Performance.sleep(TIMEOUT); // delay in order to be sure that the reader has started
    // start writer
    Future<HTTPResponse> writer = exec.submit(writerAction);

    try {
      final HTTPResponse result = writer.get(TIMEOUT, TimeUnit.MILLISECONDS);

      if (result.status.isSuccess()) fail("Database modified while a reader is running");
      throw new Exception(result.toString());
    } catch (final TimeoutException e) {
      // writer is blocked by the reader: stop it
      writerAction.stop = true;
    }

    // stop reader
    readerAction.stop = true;

    // start the writer again
    writer = exec.submit(writerAction);
    assertEquals(HTTPCode.CREATED, writer.get().status);
  }
Пример #2
0
  public static void start() {
    if (started) return;

    // start code
    pool = Executors.newFixedThreadPool(poolSize);
    System.out.println("downloader start!!");
    for (DownloadTask task : tasks) pool.execute(task);
    started = true;
  }
Пример #3
0
  /** {@inheritDoc} */
  @Override
  public void run() {
    List<Grid> clientGrids = runGrid();

    assert clientGrids.size() == clientNodes;

    int threadsCnt = clientNodes * threadsPerClient;

    Executor e = Executors.newFixedThreadPool(threadsCnt);

    for (Grid grid : clientGrids) {
      for (int j = 0; j < threadsPerClient; j++)
        e.execute(new GridJobLoadTestSubmitter(grid, taskParams, cancelRate, submitDelay));
    }
  }
Пример #4
0
 public static void main(String[] args) throws Exception {
   try {
     lock = new Object();
     if (args.length > 0) {
       NUM = Integer.parseInt(args[0]);
     }
     execs = Executors.newFixedThreadPool(5);
     httpServer = createHttpServer(execs);
     port = httpServer.getAddress().getPort();
     pool = Executors.newFixedThreadPool(10);
     httpServer.start();
     for (int i = 0; i < NUM; i++) {
       pool.execute(new Client());
       if (error) {
         throw new Exception("error in test");
       }
     }
     System.out.println("Main thread waiting");
     pool.shutdown();
     long latest = System.currentTimeMillis() + 200 * 1000;
     while (System.currentTimeMillis() < latest) {
       if (pool.awaitTermination(2000L, TimeUnit.MILLISECONDS)) {
         System.out.println("Main thread done!");
         return;
       }
       if (error) {
         throw new Exception("error in test");
       }
     }
     throw new Exception("error in test: timed out");
   } finally {
     httpServer.stop(0);
     pool.shutdownNow();
     execs.shutdownNow();
   }
 }
Пример #5
0
 public void run() {
   System.out.println("JSSE Server listening on port " + cipherTest.serverPort);
   Executor exec = Executors.newFixedThreadPool(cipherTest.THREADS, DaemonThreadFactory.INSTANCE);
   try {
     while (true) {
       final SSLSocket socket = (SSLSocket) serverSocket.accept();
       socket.setSoTimeout(cipherTest.TIMEOUT);
       Runnable r =
           new Runnable() {
             public void run() {
               try {
                 InputStream in = socket.getInputStream();
                 OutputStream out = socket.getOutputStream();
                 handleRequest(in, out);
                 out.flush();
                 socket.close();
                 socket.getSession().invalidate();
               } catch (IOException e) {
                 cipherTest.setFailed();
                 e.printStackTrace();
               } finally {
                 if (socket != null) {
                   try {
                     socket.close();
                   } catch (IOException e) {
                     cipherTest.setFailed();
                     System.out.println("Exception closing socket on server side:");
                     e.printStackTrace();
                   }
                 }
               }
             }
           };
       exec.execute(r);
     }
   } catch (IOException e) {
     cipherTest.setFailed();
     e.printStackTrace();
     //
   }
 }
Пример #6
0
  /**
   * Test 2 concurrent readers (GH-458).
   *
   * <p><b>Test case:</b>
   *
   * <ol>
   *   <li/>start a long running reader;
   *   <li/>start a fast reader: it should succeed.
   * </ol>
   *
   * @throws Exception error during request execution
   */
  @Test
  public void testMultipleReaders() throws Exception {
    final String number = "63177";
    final String slowQuery = "?query=(1%20to%20100000000000000)%5b.=1%5d";
    final String fastQuery = "?query=" + number;

    final Get slowAction = new Get(slowQuery);
    final Get fastAction = new Get(fastQuery);

    final ExecutorService exec = Executors.newFixedThreadPool(2);

    exec.submit(slowAction);
    Performance.sleep(TIMEOUT); // delay in order to be sure that the reader has started
    final Future<HTTPResponse> fast = exec.submit(fastAction);

    try {
      final HTTPResponse result = fast.get(TIMEOUT, TimeUnit.MILLISECONDS);
      assertEquals(HTTPCode.OK, result.status);
      assertEquals(number, result.data);
    } finally {
      slowAction.stop = true;
    }
  }
Пример #7
0
  /**
   * Create the HttpServer to use. Can be overridden if a custom or already existing HttpServer
   * should be used
   *
   * @return HttpServer to use
   * @throws IOException if something fails during the initialisation
   */
  private HttpServer createHttpServer(JolokiaServerConfig pConfig) throws IOException {
    int port = pConfig.getPort();
    InetAddress address = pConfig.getAddress();
    InetSocketAddress socketAddress = new InetSocketAddress(address, port);

    HttpServer server =
        pConfig.useHttps()
            ? createHttpsServer(socketAddress, pConfig)
            : HttpServer.create(socketAddress, pConfig.getBacklog());

    // Prepare executor pool
    Executor executor;
    String mode = pConfig.getExecutor();
    if ("fixed".equalsIgnoreCase(mode)) {
      executor = Executors.newFixedThreadPool(pConfig.getThreadNr(), daemonThreadFactory);
    } else if ("cached".equalsIgnoreCase(mode)) {
      executor = Executors.newCachedThreadPool(daemonThreadFactory);
    } else {
      executor = Executors.newSingleThreadExecutor(daemonThreadFactory);
    }
    server.setExecutor(executor);

    return server;
  }
Пример #8
0
  /**
   * Test concurrent writers (GH-458).
   *
   * <p><b>Test case:</b>
   *
   * <ol>
   *   <li/>start several writers one after another;
   *   <li/>all writers should succeed.
   * </ol>
   *
   * @throws Exception error during request execution
   */
  @Test
  public void testMultipleWriters() throws Exception {
    final int count = 10;
    final String template =
        "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
            + "<command xmlns=\"http://basex.org/rest\"><text><![CDATA["
            + "ADD TO %1$d <node id=\"%1$d\"/>"
            + "]]></text></command>";

    @SuppressWarnings("unchecked")
    final Future<HTTPResponse>[] tasks = new Future[count];
    final ExecutorService exec = Executors.newFixedThreadPool(count);

    // start all writers (not at the same time, but still in parallel)
    for (int i = 0; i < count; i++) {
      final String command = String.format(template, i);
      tasks[i] = exec.submit(new Post("", Token.token(command)));
    }

    // check if all have finished successfully
    for (final Future<HTTPResponse> task : tasks) {
      assertEquals(HTTPCode.OK, task.get(TIMEOUT, TimeUnit.MILLISECONDS).status);
    }
  }
Пример #9
0
  public static void main(String[] args) {
    // TODO main
    OptionParser parser = new OptionParser();
    parser.acceptsAll(Arrays.asList("h", "help"), "Show this help dialog.");
    OptionSpec<String> serverOption =
        parser
            .acceptsAll(Arrays.asList("s", "server"), "Server to join.")
            .withRequiredArg()
            .describedAs("server-address[:port]");
    OptionSpec<String> proxyOption =
        parser
            .acceptsAll(
                Arrays.asList("P", "proxy"),
                "SOCKS proxy to use. Ignored in presence of 'socks-proxy-list'.")
            .withRequiredArg()
            .describedAs("proxy-address");
    OptionSpec<String> ownerOption =
        parser
            .acceptsAll(
                Arrays.asList("o", "owner"), "Owner of the bot (username of in-game control).")
            .withRequiredArg()
            .describedAs("username");
    OptionSpec<?> offlineOption =
        parser.acceptsAll(
            Arrays.asList("O", "offline"),
            "Offline-mode. Ignores 'password' and 'account-list' (will "
                + "generate random usernames if 'username' is not supplied).");
    OptionSpec<?> autoRejoinOption =
        parser.acceptsAll(Arrays.asList("a", "auto-rejoin"), "Auto-rejoin a server on disconnect.");
    OptionSpec<Integer> loginDelayOption =
        parser
            .acceptsAll(
                Arrays.asList("d", "login-delay"),
                "Delay between bot joins, in milliseconds. 5000 is "
                    + "recommended if not using socks proxies.")
            .withRequiredArg()
            .describedAs("delay")
            .ofType(Integer.class);
    OptionSpec<Integer> botAmountOption =
        parser
            .acceptsAll(
                Arrays.asList("b", "bot-amount"),
                "Amount of bots to join. Must be <= amount of accounts.")
            .withRequiredArg()
            .describedAs("amount")
            .ofType(Integer.class);

    OptionSpec<String> accountListOption =
        parser
            .accepts(
                "account-list",
                "File containing a list of accounts, in username/email:password format.")
            .withRequiredArg()
            .describedAs("file");
    OptionSpec<String> socksProxyListOption =
        parser
            .accepts(
                "socks-proxy-list",
                "File containing a list of SOCKS proxies, in address:port format.")
            .withRequiredArg()
            .describedAs("file");
    OptionSpec<String> httpProxyListOption =
        parser
            .accepts(
                "http-proxy-list",
                "File containing a list of HTTP proxies, in address:port format.")
            .withRequiredArg()
            .describedAs("file");

    OptionSet options;
    try {
      options = parser.parse(args);
    } catch (OptionException exception) {
      try {
        parser.printHelpOn(System.out);
      } catch (Exception exception1) {
        exception1.printStackTrace();
      }
      return;
    }

    if (options.has("help")) {
      printHelp(parser);
      return;
    }

    final boolean offline = options.has(offlineOption);
    final boolean autoRejoin = options.has(autoRejoinOption);

    final List<String> accounts;
    if (options.has(accountListOption)) {
      accounts = loadAccounts(options.valueOf(accountListOption));
    } else if (!offline) {
      System.out.println("Option 'accounts' must be supplied in " + "absence of option 'offline'.");
      printHelp(parser);
      return;
    } else accounts = null;

    final String server;
    if (!options.has(serverOption)) {
      System.out.println("Option 'server' required.");
      printHelp(parser);
      return;
    } else server = options.valueOf(serverOption);

    final String owner;
    if (!options.has(ownerOption)) {
      System.out.println("Option 'owner' required.");
      printHelp(parser);
      return;
    } else owner = options.valueOf(ownerOption);

    final List<String> socksProxies;
    if (options.has(socksProxyListOption))
      socksProxies = loadProxies(options.valueOf(socksProxyListOption));
    else socksProxies = null;
    final boolean useProxy = socksProxies != null;

    final List<String> httpProxies;
    if (options.has(httpProxyListOption))
      httpProxies = loadLoginProxies(options.valueOf(httpProxyListOption));
    else if (!offline && accounts != null) {
      System.out.println(
          "Option 'http-proxy-list' required if " + "option 'account-list' is supplied.");
      printHelp(parser);
      return;
    } else httpProxies = null;

    final int loginDelay;
    if (options.has(loginDelayOption)) loginDelay = options.valueOf(loginDelayOption);
    else loginDelay = 0;

    final int botAmount;
    if (!options.has(botAmountOption)) {
      System.out.println("Option 'bot-amount' required.");
      printHelp(parser);
      return;
    } else botAmount = options.valueOf(botAmountOption);

    initGui();
    while (!sessions.get()) {
      synchronized (sessions) {
        try {
          sessions.wait(5000);
        } catch (InterruptedException exception) {
        }
      }
    }

    final Queue<Runnable> lockQueue = new ArrayDeque<Runnable>();

    ExecutorService service = Executors.newFixedThreadPool(botAmount + (loginDelay > 0 ? 1 : 0));
    final Object firstWait = new Object();
    if (loginDelay > 0) {
      service.execute(
          new Runnable() {
            @Override
            public void run() {
              synchronized (firstWait) {
                try {
                  firstWait.wait();
                } catch (InterruptedException exception) {
                }
              }
              while (true) {
                if (die) return;
                while (slotsTaken.get() >= 2) {
                  synchronized (slotsTaken) {
                    try {
                      slotsTaken.wait(500);
                    } catch (InterruptedException exception) {
                    }
                  }
                }
                synchronized (lockQueue) {
                  if (lockQueue.size() > 0) {
                    Runnable thread = lockQueue.poll();
                    synchronized (thread) {
                      thread.notifyAll();
                    }
                    lockQueue.offer(thread);
                  } else continue;
                }
                try {
                  Thread.sleep(loginDelay);
                } catch (InterruptedException exception) {
                }
                while (!sessions.get()) {
                  synchronized (sessions) {
                    try {
                      sessions.wait(5000);
                    } catch (InterruptedException exception) {
                    }
                  }
                }
              }
            }
          });
    }
    final List<String> accountsInUse = new ArrayList<String>();
    for (int i = 0; i < botAmount; i++) {
      final int botNumber = i;
      Runnable runnable =
          new Runnable() {
            @Override
            public void run() {
              if (loginDelay > 0)
                synchronized (lockQueue) {
                  lockQueue.add(this);
                }
              Random random = new Random();

              if (!offline) {
                boolean authenticated = false;
                user:
                while (true) {
                  if (authenticated) {
                    authenticated = false;
                    sessionCount.decrementAndGet();
                  }
                  Session session = null;
                  String loginProxy;
                  String account = accounts.get(random.nextInt(accounts.size()));
                  synchronized (accountsInUse) {
                    if (accountsInUse.size() == accounts.size()) System.exit(0);
                    while (accountsInUse.contains(account))
                      account = accounts.get(random.nextInt(accounts.size()));
                    accountsInUse.add(account);
                  }
                  String[] accountParts = account.split(":");
                  while (true) {
                    while (!sessions.get()) {
                      synchronized (sessions) {
                        try {
                          sessions.wait(5000);
                        } catch (InterruptedException exception) {
                        }
                      }
                    }
                    loginProxy = httpProxies.get(random.nextInt(httpProxies.size()));
                    try {
                      session = Util.retrieveSession(accountParts[0], accountParts[1], loginProxy);
                      // addAccount(session);
                      sessionCount.incrementAndGet();
                      authenticated = true;
                      break;
                    } catch (AuthenticationException exception) {
                      System.err.println("[Bot" + botNumber + "] " + exception);
                      if (!exception.getMessage().startsWith("Exception"))
                        // && !exception.getMessage().equals(
                        // "Too many failed logins"))
                        continue user;
                    }
                  }
                  System.out.println(
                      "["
                          + session.getUsername()
                          + "] Password: "******", Session ID: "
                          + session.getSessionId());
                  while (!joins.get()) {
                    synchronized (joins) {
                      try {
                        joins.wait(5000);
                      } catch (InterruptedException exception) {
                      }
                    }
                  }
                  if (loginDelay > 0) {
                    synchronized (this) {
                      try {
                        synchronized (firstWait) {
                          firstWait.notifyAll();
                        }
                        wait();
                      } catch (InterruptedException exception) {
                      }
                    }
                  }

                  while (true) {
                    String proxy =
                        useProxy ? socksProxies.get(random.nextInt(socksProxies.size())) : null;
                    try {
                      new DarkBotMCSpambot(
                          DARK_BOT,
                          server,
                          session.getUsername(),
                          session.getPassword(),
                          session.getSessionId(),
                          null,
                          proxy,
                          owner);
                      if (die) break user;
                      else if (!autoRejoin) break;
                    } catch (Exception exception) {
                      exception.printStackTrace();
                      System.out.println(
                          "["
                              + session.getUsername()
                              + "] Error connecting: "
                              + exception.getCause().toString());
                    }
                  }
                  System.out.println("[" + session.getUsername() + "] Account failed");
                }
              } else {
                while (true) {
                  String proxy =
                      useProxy ? socksProxies.get(random.nextInt(socksProxies.size())) : null;
                  try {
                    String username = "";
                    if (accounts != null) {
                      username = accounts.get(random.nextInt(accounts.size())).split(":")[0];
                      synchronized (accountsInUse) {
                        while (accountsInUse.contains(username))
                          username = accounts.get(random.nextInt(accounts.size()));
                        accountsInUse.add(username);
                      }
                    } else
                      for (int i = 0; i < 10 + random.nextInt(6); i++)
                        username += alphas[random.nextInt(alphas.length)];
                    if (loginDelay > 0) {
                      synchronized (this) {
                        try {
                          synchronized (firstWait) {
                            firstWait.notifyAll();
                          }
                          wait();
                        } catch (InterruptedException exception) {
                        }
                      }
                    }
                    new DarkBotMCSpambot(DARK_BOT, server, username, "", "", null, proxy, owner);
                    if (die || !autoRejoin) break;
                    else continue;
                  } catch (Exception exception) {
                    System.out.println(
                        "[Bot" + botNumber + "] Error connecting: " + exception.toString());
                  }
                }
              }
            }
          };
      service.execute(runnable);
    }
    service.shutdown();
    while (!service.isTerminated()) {
      try {
        service.awaitTermination(9000, TimeUnit.DAYS);
      } catch (InterruptedException exception) {
        exception.printStackTrace();
      }
    }
    System.exit(0);
  }
Пример #10
0
 public static Executor getExecutor() {
   if (executor == null) executor = Executors.newFixedThreadPool(4);
   return executor;
 }
Пример #11
0
/** Created by Adrian on 11/26/2015. */
public class TransportListener {
  private static final ExecutorService executor = Executors.newFixedThreadPool(10);
  private InetSocketAddress mavenLocation;

  public TransportListener(int dataServerPort) throws IOException, JSONException {
    mavenLocation = new InetSocketAddress("127.0.0.1", 3333);
    switch (dataServerPort) {
      case 1111:
        sendDataUdp(
            mavenLocation,
            "{\"employee\":{\"firstName\":\"Victor\",\"lastName\":\"Rotaru\",\"department\":\"Tehnic\",\"salary\":504}}");
        System.out.println(
            "[INFO] -----------------------------------------\n" + "[INFO] Data was sent to Maven");
        break;
      case 2222:
        sendDataUdp(
            mavenLocation,
            "{\"employee\":{\"firstName\":\"Eugenia\",\"lastName\":\"Blanaru\",\"department\":\"Vinzari\",\"salary\":501}}");
        System.out.println(
            "[INFO] -----------------------------------------\n" + "[INFO] Data was sent to Maven");
        break;
      case 3333:
        String xmlEmployees = receiveDataUdp(mavenLocation);
        sendDataTcp(dataServerPort, xmlEmployees);
        System.out.println(
            "[INFO] -----------------------------------------\n"
                + "[INFO] Data was sent to client");
        break;
      case 4444:
        sendDataUdp(
            mavenLocation,
            "{\"employee\":{\"firstName\":\"Gigi\",\"lastName\":\"Iures\",\"department\":\"Marketing\",\"salary\":502}}");
        System.out.println(
            "[INFO] -----------------------------------------\n" + "[INFO] Data was sent to Maven");
        break;
      case 5555:
        sendDataUdp(
            mavenLocation,
            "{\"employee\":{\"firstName\":\"Igor\",\"lastName\":\"Ignat\",\"department\":\"Financiar\",\"salary\":503}}");
        System.out.println(
            "[INFO] -----------------------------------------\n" + "[INFO] Data was sent to Maven");
        break;
      case 6666:
        System.out.println(
            "[INFO] ----------------------------------------- \n"
                + "[INFO] This node is isolated.");
        break;
      default:
        System.out.println(
            "[WARNING] ----------------------------------------- \n"
                + "[WARNING] Server port is not correct.");
        break;
    }
  }

  private void sendDataTcp(int dataServerPort, String xmlEmployees) throws IOException {
    ServerSocket serverSocket = new ServerSocket(dataServerPort);
    serverSocket.setSoTimeout((int) SECONDS.toMillis(100));
    boolean isTimeExpired = false;
    while (!isTimeExpired) {
      try {
        Socket socket = serverSocket.accept(); // Blocking call!
        serialize(xmlEmployees, socket.getOutputStream());
        socket.close();
      } catch (SocketTimeoutException e) {
        System.out.println(
            "[WARNING] ----------------------------------------- \n"
                + "[WARNING] Waiting time expired... Socket is closed.");
        isTimeExpired = true;
        continue;
      }
    }
    serverSocket.close();
  }

  private Future sendDataUdp(final InetSocketAddress clientLocation, final String employee) {
    return executor.submit(
        new Runnable() {
          public void run() {
            try {
              Thread.sleep(SECONDS.toMillis(1));
              DatagramSocket clientSocket = new DatagramSocket();
              byte[] sendDataServer = serialize((String) employee);
              DatagramPacket pongPacket =
                  new DatagramPacket(sendDataServer, sendDataServer.length, clientLocation);
              clientSocket.send(pongPacket);
              clientSocket.close();
            } catch (IOException e) {
              e.printStackTrace();
            } catch (InterruptedException e) {
              e.printStackTrace();
            }
          }
        });
  }

  private String receiveDataUdp(InetSocketAddress clientAddress) throws IOException, JSONException {
    EmployeeList employees = new EmployeeList();
    DatagramSocket datagramServer = new DatagramSocket(clientAddress);
    byte dataFromServer[] = new byte[2048];
    boolean isTimeExpired = false;
    datagramServer.setSoTimeout((int) SECONDS.toMillis(PROTOCOL_GROUP_TIMEOUT - 5));

    System.out.println(
        "[INFO] -----------------------------------------\n"
            + "[INFO] Collecting information from nodes....");
    while (!isTimeExpired) {
      DatagramPacket datagramPacketacket =
          new DatagramPacket(dataFromServer, dataFromServer.length);
      try {
        datagramServer.receive(datagramPacketacket);
      } catch (SocketTimeoutException e) {
        System.out.println(
            "[WARNING] -----------------------------------------\n"
                + "[WARNING] Waiting time expired...");
        isTimeExpired = true;
        continue;
      }
      String receivedJson = (String) deserialize(datagramPacketacket.getData());
      System.out.println("[INFO] " + "Received employee in JSON: " + receivedJson);
      employees.add(jsonToEmployee(receivedJson));
    }
    datagramServer.close();
    return employeeToXml(employees);
  }

  private Employee jsonToEmployee(String jsonString) throws JSONException {
    // Creating a JSONObject from a String
    JSONObject nodeRoot = new JSONObject(jsonString);
    // Creating a sub-JSONObject from another JSONObject
    JSONObject nodeStats = nodeRoot.getJSONObject("employee");
    // Getting the value of a attribute in a JSONObject
    String firstName = nodeStats.getString("firstName");
    String lastName = nodeStats.getString("lastName");
    String department = nodeStats.getString("department");
    Double salary = nodeStats.getDouble("salary");
    return new Employee(firstName, lastName, department, salary);
  }

  private String employeeToXml(EmployeeList list) {
    XStream xstream = new XStream();
    xstream.alias("employee", Employee.class);
    xstream.alias("employees", EmployeeList.class);
    xstream.addImplicitCollection(EmployeeList.class, "list");
    return xstream.toXML(list);
  }
}
Пример #12
0
  public static void main(String[] args) {
    // TODO main
    OptionParser parser = new OptionParser();
    parser.acceptsAll(Arrays.asList("h", "help"), "Show this help dialog.");
    OptionSpec<String> serverOption =
        parser
            .acceptsAll(Arrays.asList("s", "server"), "Server to join.")
            .withRequiredArg()
            .describedAs("server-address[:port]");
    OptionSpec<String> proxyOption =
        parser
            .acceptsAll(
                Arrays.asList("P", "proxy"),
                "SOCKS proxy to use. Ignored in presence of 'socks-proxy-list'.")
            .withRequiredArg()
            .describedAs("proxy-address");
    OptionSpec<String> ownerOption =
        parser
            .acceptsAll(
                Arrays.asList("o", "owner"), "Owner of the bot (username of in-game control).")
            .withRequiredArg()
            .describedAs("username");
    OptionSpec<?> offlineOption =
        parser.acceptsAll(
            Arrays.asList("O", "offline"),
            "Offline-mode. Ignores 'password' and 'account-list' (will "
                + "generate random usernames if 'username' is not supplied).");
    OptionSpec<?> autoRejoinOption =
        parser.acceptsAll(Arrays.asList("a", "auto-rejoin"), "Auto-rejoin a server on disconnect.");
    OptionSpec<Integer> loginDelayOption =
        parser
            .acceptsAll(
                Arrays.asList("d", "login-delay"),
                "Delay between bot joins, in milliseconds. 5000 is "
                    + "recommended if not using socks proxies.")
            .withRequiredArg()
            .describedAs("delay")
            .ofType(Integer.class);
    OptionSpec<Integer> botAmountOption =
        parser
            .acceptsAll(
                Arrays.asList("b", "bot-amount"),
                "Amount of bots to join. Must be <= amount of accounts.")
            .withRequiredArg()
            .describedAs("amount")
            .ofType(Integer.class);
    OptionSpec<String> protocolOption =
        parser
            .accepts(
                "protocol",
                "Protocol version to use. Can be either protocol number or Minecraft version.")
            .withRequiredArg();
    OptionSpec<?> protocolsOption =
        parser.accepts("protocols", "List available protocols and exit.");

    OptionSpec<String> accountListOption =
        parser
            .accepts(
                "account-list",
                "File containing a list of accounts, in username/email:password format.")
            .withRequiredArg()
            .describedAs("file");
    OptionSpec<String> socksProxyListOption =
        parser
            .accepts(
                "socks-proxy-list",
                "File containing a list of SOCKS proxies, in address:port format.")
            .withRequiredArg()
            .describedAs("file");
    OptionSpec<String> httpProxyListOption =
        parser
            .accepts(
                "http-proxy-list",
                "File containing a list of HTTP proxies, in address:port format.")
            .withRequiredArg()
            .describedAs("file");
    OptionSpec<String> captchaListOption =
        parser
            .accepts("captcha-list", "File containing a list of chat baised captcha to bypass.")
            .withRequiredArg()
            .describedAs("file");

    OptionSet options;
    try {
      options = parser.parse(args);
    } catch (OptionException exception) {
      try {
        parser.printHelpOn(System.out);
      } catch (Exception exception1) {
        exception1.printStackTrace();
      }
      return;
    }

    if (options.has("help")) {
      printHelp(parser);
      return;
    }
    if (options.has(protocolsOption)) {
      System.out.println("Available protocols:");
      for (ProtocolProvider provider : ProtocolProvider.getProviders())
        System.out.println(
            "\t"
                + provider.getMinecraftVersion()
                + " ("
                + provider.getSupportedVersion()
                + "): "
                + provider.getClass().getName());
      System.out.println(
          "If no protocols are listed above, you may attempt to specify a protocol version in case the provider is actually in the class-path.");
      return;
    }

    final boolean offline = options.has(offlineOption);
    final boolean autoRejoin = options.has(autoRejoinOption);

    final List<String> accounts;
    if (options.has(accountListOption)) {
      accounts = loadAccounts(options.valueOf(accountListOption));
    } else if (!offline) {
      System.out.println("Option 'accounts' must be supplied in " + "absence of option 'offline'.");
      printHelp(parser);
      return;
    } else accounts = null;

    final List<String> captcha;
    if (options.has(captchaListOption)) readCaptchaFile(options.valueOf(captchaListOption));

    final String server;
    if (!options.has(serverOption)) {
      System.out.println("Option 'server' required.");
      printHelp(parser);
      return;
    } else server = options.valueOf(serverOption);

    final String owner;
    if (!options.has(ownerOption)) {
      System.out.println("Option 'owner' required.");
      printHelp(parser);
      return;
    } else owner = options.valueOf(ownerOption);

    final int protocol;
    if (options.has(protocolOption)) {
      String protocolString = options.valueOf(protocolOption);
      int parsedProtocol;
      try {
        parsedProtocol = Integer.parseInt(protocolString);
      } catch (NumberFormatException exception) {
        ProtocolProvider foundProvider = null;
        for (ProtocolProvider provider : ProtocolProvider.getProviders())
          if (protocolString.equals(provider.getMinecraftVersion())) foundProvider = provider;
        if (foundProvider == null) {
          System.out.println("No provider found for Minecraft version '" + protocolString + "'.");
          return;
        } else parsedProtocol = foundProvider.getSupportedVersion();
      }
      protocol = parsedProtocol;
    } else protocol = MinecraftBot.LATEST_PROTOCOL;

    final List<String> socksProxies;
    if (options.has(socksProxyListOption))
      socksProxies = loadProxies(options.valueOf(socksProxyListOption));
    else socksProxies = null;
    final boolean useProxy = socksProxies != null;

    final List<String> httpProxies;
    if (options.has(httpProxyListOption))
      httpProxies = loadLoginProxies(options.valueOf(httpProxyListOption));
    else if (!offline && accounts != null) {
      System.out.println(
          "Option 'http-proxy-list' required if " + "option 'account-list' is supplied.");
      printHelp(parser);
      return;
    } else httpProxies = null;

    final int loginDelay;
    if (options.has(loginDelayOption)) loginDelay = options.valueOf(loginDelayOption);
    else loginDelay = 0;

    final int botAmount;
    if (!options.has(botAmountOption)) {
      System.out.println("Option 'bot-amount' required.");
      printHelp(parser);
      return;
    } else botAmount = options.valueOf(botAmountOption);

    initGui();
    while (!sessions.get()) {
      synchronized (sessions) {
        try {
          sessions.wait(5000);
        } catch (InterruptedException exception) {
        }
      }
    }

    final Queue<Runnable> lockQueue = new ArrayDeque<Runnable>();

    ExecutorService service = Executors.newFixedThreadPool(botAmount + (loginDelay > 0 ? 1 : 0));
    final Object firstWait = new Object();
    if (loginDelay > 0) {
      service.execute(
          new Runnable() {
            @Override
            public void run() {
              synchronized (firstWait) {
                try {
                  firstWait.wait();
                } catch (InterruptedException exception) {
                }
              }
              while (true) {
                try {
                  Thread.sleep(loginDelay);
                } catch (InterruptedException exception) {
                }
                synchronized (lockQueue) {
                  if (lockQueue.size() > 0) {
                    Runnable thread = lockQueue.poll();
                    synchronized (thread) {
                      thread.notifyAll();
                    }
                    lockQueue.offer(thread);
                  } else continue;
                }
                while (!sessions.get()) {
                  synchronized (sessions) {
                    try {
                      sessions.wait(5000);
                    } catch (InterruptedException exception) {
                    }
                  }
                }
              }
            }
          });
    }
    final List<String> accountsInUse = new ArrayList<String>();
    final Map<String, AtomicInteger> workingProxies = new HashMap<String, AtomicInteger>();
    for (int i = 0; i < botAmount; i++) {
      final int botNumber = i;
      Runnable runnable =
          new Runnable() {
            @Override
            public void run() {
              if (loginDelay > 0)
                synchronized (lockQueue) {
                  lockQueue.add(this);
                }
              Random random = new Random();

              if (!offline) {
                AuthService authService = new LegacyAuthService();
                boolean authenticated = false;
                user:
                while (true) {
                  if (authenticated) {
                    authenticated = false;
                    sessionCount.decrementAndGet();
                  }
                  Session session = null;
                  String loginProxy;
                  String account = accounts.get(random.nextInt(accounts.size()));
                  synchronized (accountsInUse) {
                    if (accountsInUse.size() == accounts.size()) System.exit(0);
                    while (accountsInUse.contains(account))
                      account = accounts.get(random.nextInt(accounts.size()));
                    accountsInUse.add(account);
                  }
                  String[] accountParts = account.split(":");
                  while (true) {
                    while (!sessions.get()) {
                      synchronized (sessions) {
                        try {
                          sessions.wait(5000);
                        } catch (InterruptedException exception) {
                        }
                      }
                    }
                    synchronized (workingProxies) {
                      Iterator<String> iterator = workingProxies.keySet().iterator();
                      if (iterator.hasNext()) loginProxy = iterator.next();
                      else loginProxy = httpProxies.get(random.nextInt(httpProxies.size()));
                      ;
                    }
                    try {
                      session =
                          authService.login(
                              accountParts[0],
                              accountParts[1],
                              toProxy(loginProxy, Proxy.Type.HTTP));
                      // addAccount(session);
                      synchronized (workingProxies) {
                        AtomicInteger count = workingProxies.get(loginProxy);
                        if (count != null) count.set(0);
                        else workingProxies.put(loginProxy, new AtomicInteger());
                      }
                      sessionCount.incrementAndGet();
                      authenticated = true;
                      break;
                    } catch (IOException exception) {
                      synchronized (workingProxies) {
                        workingProxies.remove(loginProxy);
                      }
                      System.err.println("[Bot" + botNumber + "] " + loginProxy + ": " + exception);
                    } catch (AuthenticationException exception) {
                      if (exception.getMessage().contains("Too many failed logins")) {
                        synchronized (workingProxies) {
                          AtomicInteger count = workingProxies.get(loginProxy);
                          if (count != null && count.incrementAndGet() >= 5)
                            workingProxies.remove(loginProxy);
                        }
                      }
                      System.err.println("[Bot" + botNumber + "] " + loginProxy + ": " + exception);
                      continue user;
                    }
                  }
                  System.out.println("[" + session.getUsername() + "] " + session);
                  while (!joins.get()) {
                    synchronized (joins) {
                      try {
                        joins.wait(5000);
                      } catch (InterruptedException exception) {
                      }
                    }
                  }
                  if (loginDelay > 0) {
                    synchronized (this) {
                      try {
                        synchronized (firstWait) {
                          firstWait.notifyAll();
                        }
                        wait();
                      } catch (InterruptedException exception) {
                      }
                    }
                  }

                  while (true) {
                    String proxy =
                        useProxy ? socksProxies.get(random.nextInt(socksProxies.size())) : null;
                    try {
                      DarkBotMCSpambot bot =
                          new DarkBotMCSpambot(
                              generateData(
                                  server,
                                  session.getUsername(),
                                  session.getPassword(),
                                  authService,
                                  session,
                                  protocol,
                                  null,
                                  proxy),
                              owner);
                      while (bot.getBot().isConnected()) {
                        try {
                          Thread.sleep(500);
                        } catch (InterruptedException exception) {
                          exception.printStackTrace();
                        }
                      }
                      if (!autoRejoin) break;
                    } catch (Exception exception) {
                      exception.printStackTrace();
                      System.out.println(
                          "["
                              + session.getUsername()
                              + "] Error connecting: "
                              + exception.getCause().toString());
                    }
                  }
                  System.out.println("[" + session.getUsername() + "] Account failed");
                }
              } else {
                while (true) {
                  String proxy =
                      useProxy ? socksProxies.get(random.nextInt(socksProxies.size())) : null;
                  try {
                    String username;
                    if (accounts != null) {
                      username = accounts.get(random.nextInt(accounts.size())).split(":")[0];
                      synchronized (accountsInUse) {
                        while (accountsInUse.contains(username))
                          username = accounts.get(random.nextInt(accounts.size()));
                        accountsInUse.add(username);
                      }
                    } else username = Util.generateRandomString(10 + random.nextInt(6));
                    if (loginDelay > 0) {
                      synchronized (this) {
                        try {
                          synchronized (firstWait) {
                            firstWait.notifyAll();
                          }
                          wait();
                        } catch (InterruptedException exception) {
                        }
                      }
                    }
                    DarkBotMCSpambot bot =
                        new DarkBotMCSpambot(
                            generateData(server, username, null, null, null, protocol, null, proxy),
                            owner);
                    while (bot.getBot().isConnected()) {
                      try {
                        Thread.sleep(500);
                      } catch (InterruptedException exception) {
                        exception.printStackTrace();
                      }
                    }
                    if (!autoRejoin) break;
                    else continue;
                  } catch (Exception exception) {
                    System.out.println(
                        "[Bot" + botNumber + "] Error connecting: " + exception.toString());
                  }
                }
              }
            }
          };
      service.execute(runnable);
    }
    service.shutdown();
    while (!service.isTerminated()) {
      try {
        service.awaitTermination(9000, TimeUnit.DAYS);
      } catch (InterruptedException exception) {
        exception.printStackTrace();
      }
    }
    System.exit(0);
  }