예제 #1
0
  /**
   * Checks if address can be reached using one argument InetAddress.isReachable() version or ping
   * command if failed.
   *
   * @param addr Address to check.
   * @param reachTimeout Timeout for the check.
   * @return {@code True} if address is reachable.
   */
  public static boolean reachableByPing(InetAddress addr, int reachTimeout) {
    try {
      if (addr.isReachable(reachTimeout)) return true;

      String cmd = String.format("ping -%s 1 %s", U.isWindows() ? "n" : "c", addr.getHostAddress());

      Process myProc = Runtime.getRuntime().exec(cmd);

      myProc.waitFor();

      return myProc.exitValue() == 0;
    } catch (IOException ignore) {
      return false;
    } catch (InterruptedException ignored) {
      Thread.currentThread().interrupt();

      return false;
    }
  }
예제 #2
0
  /**
   * This method is called when a whole download file has been finished downloading. It updates main
   * application window and starts the decoding thread.
   *
   * @param dlFile The DownloadFile object that is finished
   */
  private void handleFinishedDlFile(final DownloadFile dlFile) {
    final String filename = dlFile.getFilename();
    logger.msg("File downloading finished: " + filename, MyLogger.SEV_INFO);

    // notify application that download has finished
    SwingUtilities.invokeLater(
        new Runnable() {
          public void run() {
            mainApp.fileDownloadFinished(filename);
            mainApp.setProgBarToDecoding(filename, dlFile.getSegCount());
          }
        });

    // create result vector
    Vector<byte[]> articleData = new Vector<byte[]>();
    Vector<RspHandler> rspHandlers = dlFileRspHandlerMap.get(dlFile);
    for (int i = 0; i < rspHandlers.size(); i++) {
      byte[] tmpArray = removeFirstLine(rspHandlers.get(i).getData(true));
      articleData.add(tmpArray);
      rspHandlers.set(i, null); // free some memory
    }

    // call garbage collector
    rspHandlers = null;
    dlFileRspHandlerMap.remove(dlFile);
    Runtime.getRuntime().gc();

    logger.msg(
        "First line(s) dump:\n" + HelloNzbToolkit.firstLineFromByteData(articleData.get(0), 2),
        MyLogger.SEV_DEBUG);

    // determine data encoding (yenc or UU)
    String encoding = null;
    boolean bHasData = false;
    for (int i = 0; i < articleData.size(); i++) {
      byte[] abyteHelp = articleData.get(i);
      if (abyteHelp.length > 0) {
        bHasData = true;
        if (bytesEqualsString(abyteHelp, "=ybegin")) {
          encoding = "yenc";
          break;
        } else if (bytesEqualsString(abyteHelp, "begin ")) {
          encoding = "uu";
          break;
        }
      }
    }
    if (encoding == null) {
      if (bHasData) {
        encoding = "yenc";
        logger.msg(
            "No suitable decoder (no data) found for downloaded file: "
                + dlFile.getFilename()
                + " -- Assuming yenc.",
            MyLogger.SEV_WARNING);
      } else {
        // too bad, no decoder found for this file :(
        logger.msg(
            "No suitable decoder found for downloaded file (no data): " + dlFile.getFilename(),
            MyLogger.SEV_ERROR);

        // update main application window
        SwingUtilities.invokeLater(
            new Runnable() {
              public void run() {
                mainApp.fileDecodingFinished(dlFile.getFilename());
              }
            });

        return;
      }
    }

    /*
     * // determine data encoding String encoding = null;
     * if(bytesEqualsString(articleData.get(0), "=ybegin")) encoding =
     * "yenc"; else if(bytesEqualsString(articleData.get(0), "begin "))
     * encoding = "uu"; else { // too bad, no decoder found for this file :(
     * logger.msg("No suitable decoder found for downloaded file: " +
     * dlFile.getFilename(), MyLogger.SEV_ERROR);
     *
     * // update main application window SwingUtilities.invokeLater(new
     * Runnable() { public void run() {
     * mainApp.fileDecodingFinished(dlFile.getFilename()); } } );
     *
     * return; }
     */

    // start data decoding background thread
    FileDecoder fileDecoder = new FileDecoder(mainApp, dlDir, dlFile, articleData, encoding);
    Thread t = new Thread(fileDecoder);
    t.start();
  }