コード例 #1
0
 /**
  * @param log Logger.
  * @param time Time.
  * @param msg Message.
  */
 private static void log0(@Nullable IgniteLogger log, long time, String msg) {
   if (log != null) {
     if (log.isDebugEnabled()) log.debug(msg);
     else log.warning(msg);
   } else
     X.println(
         String.format(
             "[%s][%s]%s",
             DEBUG_DATE_FMT.get().format(time), Thread.currentThread().getName(), msg));
 }
コード例 #2
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;
    }
  }