/** testing only. */
  public static void main(String[] argv) throws Exception {
    Map servers = FilterSvrInfo.readAll(argv[0]);
    // System.out.println(servers);
    Map pipes = readAll(argv[0], servers);

    Iterator ii = pipes.keySet().iterator();
    while (ii.hasNext()) {
      Object key = ii.next();
      FilterPipeInfo value = (FilterPipeInfo) pipes.get(key);
      value.write(new OutputStreamWriter(System.out));
      System.out.println();
    }
  }