/**
   * openConnections: open the connection to the master. has retry mechanism
   *
   * @return: true if the connection is built, false if failed
   */
  public boolean openConnections() {

    _log("Try to connect to Master...");

    int i = 0;
    while (true) {

      boolean isConnected = connect();

      if (!isConnected) {
        i++;
        if (i == DropboxConstants.MAX_TRY) {
          break;
        }
        _log("Cannot connect to Master, retry " + i);
        try {
          Thread.sleep(DropboxConstants.TRY_CONNECT_MILLIS);
        } catch (InterruptedException e) {
          if (!_server.noException()) {
            _elog(e.toString());
          }
          if (_server.debugMode()) {
            e.printStackTrace();
          }
          _log("Retry connection is interrupted");
          break;
        }
      } else {
        _log("Success!");
        return true;
      }
    }
    _log("Failed");
    return false;
  }
Пример #2
0
  public static void main(String[] args) {
    long head = 0;
    num_thread = Integer.parseInt(args[0]);
    long total = Long.parseLong(args[1]);
    section = total / ((long) num_thread);
    sectionHead = new long[num_thread];

    long start = System.currentTimeMillis();
    Thread[] threads = new Thread[num_thread];
    for (int i = 0; i < num_thread; i++) {
      threads[i] = new Thread(new CoinFlip(i));
      threads[i].start();
    }
    for (int j = 0; j < num_thread; j++) {
      try {
        threads[j].join();
        head = head + sectionHead[j];
      } catch (InterruptedException e) {
        System.out.println(
            "Thread interrupted.  Exception: " + e.toString() + " Message: " + e.getMessage());
        return;
      }
    }
    long end = System.currentTimeMillis();

    System.out.println(head + " heads in " + args[1] + " coin tosses");
    System.out.println("Elapsed time: " + ((end - start)) + "ms");
  }
  /** listen: start to listen if there is any clients connected */
  public void listen() {

    // Firstly spawn a new thread and then the main thread
    // also start listening
    _userNet = new DropboxFileServerUserNet(_server, _userOut, _userIn, _userSock);
    _userNet.start();

    /* Use main thread, cannot be stopped */
    while (_sock != null && !_sock.isClosed()) {
      try {
        String line = NetComm.receive(_in);
        _dlog(line);
        parse(line);
      } catch (Exception e) {
        if (!_server.noException()) {
          _elog(e.toString());
        }
        break;
        // Break the loop
      }
    }

    /* Clear */
    // Close main thread
    clear();
    // Cancel the listening thread and retry
    _server.cancelListeningThread();
    /* Also cancel all of the syncers */
    _server.cancelSyncers();
    // Retry after
    try {

      _log(
          "The connection to master is broken,"
              + " reset everything and retry connection after "
              + DropboxConstants.TRY_CONNECT_MILLIS
              + " milliseconds");

      Thread.sleep(DropboxConstants.TRY_CONNECT_MILLIS);

    } catch (InterruptedException e) {
      if (!_server.noException()) {
        _elog(e.toString());
      }
      if (_server.debugMode()) {
        e.printStackTrace();
      }
    }
    _server.run();

    clear();
    _log(_threadName + " is stopped");
  }
Пример #4
0
  // the method which actually copies the caches locally and unjars/unzips them
  // and does chmod for the files
  private static Path localizeCache(
      Configuration conf, URI cache, long confFileStamp, CacheStatus cacheStatus, boolean isArchive)
      throws IOException {
    FileSystem fs = getFileSystem(cache, conf);
    FileSystem localFs = FileSystem.getLocal(conf);
    Path parchive = null;

    if (isArchive) {
      parchive =
          new Path(
              cacheStatus.localizedLoadPath, new Path(cacheStatus.localizedLoadPath.getName()));
    } else {
      parchive = cacheStatus.localizedLoadPath;
    }
    if (!localFs.mkdirs(parchive.getParent())) {
      throw new IOException(
          "Mkdirs failed to create directory " + cacheStatus.localizedLoadPath.toString());
    }
    String cacheId = cache.getPath();

    fs.copyToLocalFile(new Path(cacheId), parchive);
    if (isArchive) {
      String tmpArchive = parchive.toString().toLowerCase();
      File srcFile = new File(parchive.toString());
      File destDir = new File(parchive.getParent().toString());
      if (tmpArchive.endsWith(".jar")) {
        RunJar.unJar(srcFile, destDir);
      } else if (tmpArchive.endsWith(".zip")) {
        FileUtil.unZip(srcFile, destDir);
      } else if (isTarFile(tmpArchive)) {
        FileUtil.unTar(srcFile, destDir);
      }
      // else will not do anyhting
      // and copy the file into the dir as it is
    }
    long cacheSize = FileUtil.getDU(new File(parchive.getParent().toString()));
    cacheStatus.size = cacheSize;
    addCacheInfoUpdate(cacheStatus);

    // do chmod here
    try {
      // Setting recursive permission to grant everyone read and execute
      Path localDir = new Path(cacheStatus.localizedBaseDir, cacheStatus.uniqueParentDir);
      LOG.info("Doing chmod on localdir :" + localDir);
      FileUtil.chmod(localDir.toString(), "ugo+rx", true);
    } catch (InterruptedException e) {
      LOG.warn("Exception in chmod" + e.toString());
    }

    // update cacheStatus to reflect the newly cached file
    cacheStatus.mtime = getTimestamp(conf, cache);
    return cacheStatus.localizedLoadPath;
  }
Пример #5
0
 public String handle(String str, boolean forceDump) throws IOException {
   try {
     if (str != null && str.length() > 0) {
       String d = terminal.pipe(str);
       for (byte b : d.getBytes()) {
         in.write(b);
       }
       in.flush();
     }
   } catch (IOException e) {
     closed = true;
     throw e;
   }
   try {
     return terminal.dump(10, forceDump);
   } catch (InterruptedException e) {
     throw new InterruptedIOException(e.toString());
   }
 }
Пример #6
0
  /**
   * A Test to guarantee that the Dancing UI bug will not rear its ugly head again. Basically, add a
   * component listener to the leftComponent of _docSplitPane and make certain its size does not
   * change while closing an OpenDefinitionsDocument outside the event thread.
   */
  public void testDancingUIFileClosed() throws IOException {
    /**
     * Maybe this sequence of calls should be incorporated into one function createTestDir(), which
     * would get the username and create the temporary directory. Only sticky part is deciding where
     * to put it, in FileOps maybe?
     */
    String user = System.getProperty("user.name");
    _tempDir = IOUtil.createAndMarkTempDirectory("DrJava-test-" + user, "");
    File forceOpenClass1_file = new File(_tempDir, "ForceOpenClass1.java");
    String forceOpenClass1_string =
        "public class ForceOpenClass1 {\n"
            + "  ForceOpenClass2 class2;\n"
            + "  ForceOpenClass3 class3;\n\n"
            + "  public ForceOpenClass1() {\n"
            + "    class2 = new ForceOpenClass2();\n"
            + "    class3 = new ForceOpenClass3();\n"
            + "  }\n"
            + "}";

    IOUtil.writeStringToFile(forceOpenClass1_file, forceOpenClass1_string);
    forceOpenClass1_file.deleteOnExit();

    final ComponentAdapter listener =
        new ComponentAdapter() {
          public void componentResized(ComponentEvent event) {
            _testFailed = true;
            fail("testDancingUI: Open Documents List danced!");
          }
        };
    final SingleDisplayModelFileClosedListener closeListener =
        new SingleDisplayModelFileClosedListener();

    _closeDone = false;
    Utilities.invokeAndWait(
        new Runnable() {
          public void run() {
            //       _frame.setVisible(true);
            _frame.pack();
            _frame.addComponentListenerToOpenDocumentsList(listener);
            _frame.open(
                new FileOpenSelector() {
                  public File[] getFiles() {
                    File[] return_me = new File[1];
                    return_me[0] = new File(_tempDir, "ForceOpenClass1.java");
                    return return_me;
                  }
                });
            _frame.getModel().addListener(closeListener);
          }
        });
    Utilities.clearEventQueue();

    /* Asynchronously close the file */
    Utilities.invokeLater(
        new Runnable() {
          public void run() {
            _frame.getCloseButton().doClick();
          }
        });

    _log.log("Waiting for file closing");

    synchronized (_closeLock) {
      try {
        while (!_closeDone) _closeLock.wait();
      } catch (InterruptedException e) {
        fail(e.toString());
      }
    }

    if (!IOUtil.deleteRecursively(_tempDir)) {
      System.err.println(
          "Couldn't fully delete directory " + _tempDir.getAbsolutePath() + "\nDo it by hand.\n");
    }
    _log.log("testDancingUIFileClosed completed");
  }
Пример #7
0
  /**
   * A Test to guarantee that the Dancing UI bug will not rear its ugly head again. Basically, add a
   * component listener to the leftComponent of _docSplitPane and make certain its size does not
   * change while compiling a class which depends on another class.
   */
  public void testDancingUIFileOpened() throws IOException {
    // System.out.println("DEBUG: Entering messed up test");
    /**
     * Maybe this sequence of calls should be incorporated into one function createTestDir(), which
     * would get the username and create the temporary directory. Only sticky part is deciding where
     * to put it, in FileOps maybe?
     */
    _log.log("Starting testingDancingUIFileOpened");

    final GlobalModel _model = _frame.getModel();

    String user = System.getProperty("user.name");
    _tempDir = IOUtil.createAndMarkTempDirectory("DrJava-test-" + user, "");

    File forceOpenClass1_file = new File(_tempDir, "ForceOpenClass1.java");
    String forceOpenClass1_string =
        "public class ForceOpenClass1 {\n"
            + "  ForceOpenClass2 class2;\n"
            + "  ForceOpenClass3 class3;\n\n"
            + "  public ForceOpenClass1() {\n"
            + "    class2 = new ForceOpenClass2();\n"
            + "    class3 = new ForceOpenClass3();\n"
            + "  }\n"
            + "}";

    File forceOpenClass2_file = new File(_tempDir, "ForceOpenClass2.java");
    String forceOpenClass2_string = "public class ForceOpenClass2 {\n" + "  inx x = 4;\n" + "}";

    File forceOpenClass3_file = new File(_tempDir, "ForceOpenClass3.java");
    String forceOpenClass3_string =
        "public class ForceOpenClass3 {\n" + "  String s = \"asf\";\n" + "}";

    IOUtil.writeStringToFile(forceOpenClass1_file, forceOpenClass1_string);
    IOUtil.writeStringToFile(forceOpenClass2_file, forceOpenClass2_string);
    IOUtil.writeStringToFile(forceOpenClass3_file, forceOpenClass3_string);
    forceOpenClass1_file.deleteOnExit();
    forceOpenClass2_file.deleteOnExit();
    forceOpenClass3_file.deleteOnExit();

    _log.log("DancingUIFileOpened Set Up");

    // _frame.setVisible(true);

    // set up listeners and signal flags

    final ComponentAdapter listener =
        new ComponentAdapter() {
          public void componentResized(ComponentEvent event) {
            _testFailed = true;
            fail("testDancingUI: Open Documents List danced!");
          }
        };
    final SingleDisplayModelFileOpenedListener openListener =
        new SingleDisplayModelFileOpenedListener();
    final SingleDisplayModelCompileListener compileListener =
        new SingleDisplayModelCompileListener();

    _openDone = false;

    Utilities.invokeAndWait(
        new Runnable() {
          public void run() {
            //       _frame.setVisible(true);
            _frame.pack();
            _frame.addComponentListenerToOpenDocumentsList(listener);
          }
        });
    Utilities.clearEventQueue();

    _model.addListener(openListener);

    _log.log("opening file");

    Utilities.invokeLater(
        new Runnable() {
          public void run() {
            _frame.open(
                new FileOpenSelector() {
                  public File[] getFiles() {
                    File[] return_me = new File[1];
                    return_me[0] = new File(_tempDir, "ForceOpenClass1.java");
                    return return_me;
                  }
                });
          }
        });
    Utilities.clearEventQueue();

    /* wait until file has been open and active document changed. */
    synchronized (_openLock) {
      try {
        while (!_openDone) _openLock.wait();
      } catch (InterruptedException e) {
        fail(e.toString());
      }
    }

    _model.removeListener(openListener);

    _log.log("File opened");

    _compileDone = false;
    _model.addListener(compileListener);

    // save and compile the new file asynchronously

    Utilities.invokeLater(
        new Runnable() {
          public void run() {
            _log.log("saving all files");
            _frame._saveAll();
            _log.log("invoking compileAll action");
            _frame.getCompileAllButton().doClick();
          }
        });
    Utilities.clearEventQueue();

    synchronized (_compileLock) {
      try {
        while (!_compileDone) _compileLock.wait();
      } catch (InterruptedException e) {
        fail(e.toString());
      }
    }
    _log.log("File saved and compiled");

    if (!IOUtil.deleteRecursively(_tempDir))
      System.err.println(
          "Couldn't fully delete directory " + _tempDir.getAbsolutePath() + "\nDo it by hand.\n");

    _log.log("testDancingUIFileOpened completed");
  }