don't fetch or cache running-routers files if there are no v1

   * new running-routers list, and/or force-uploading our descriptor

   * (if we've passed our internal checks). */

  if (time_to_fetch_directory < now) {

    /* Only caches actually need to fetch directories now. */

    /* Only caches actually need to fetch v1 directories now. */

    if (directory_fetches_dir_info_early(options) &&

        !authdir_mode_v1(options)) {

      if (any_trusted_dir_is_v1_authority() &&

        !authdir_mode_v1(options) && any_trusted_dir_is_v1_authority() &&

        !should_delay_dir_fetches(options))

      directory_get_from_dirserver(DIR_PURPOSE_FETCH_DIR,

                                   ROUTER_PURPOSE_GENERAL, NULL, 1);

    }

/** How often do we (as a cache) fetch a new V1 directory? */

#define V1_DIR_FETCH_PERIOD (12*60*60)

    time_to_fetch_directory = now + V1_DIR_FETCH_PERIOD;

  }

  /* Caches need to fetch running_routers; directory clients don't. */

  if (time_to_fetch_running_routers < now) {

    if (directory_fetches_dir_info_early(options) &&

      time_to_fetch_running_routers < now) {

    if (!authdir_mode_v1(options) && !should_delay_dir_fetches(options)) {

        !authdir_mode_v1(options) && any_trusted_dir_is_v1_authority() &&

        !should_delay_dir_fetches(options))

      directory_get_from_dirserver(DIR_PURPOSE_FETCH_RUNNING_LIST,

                                   ROUTER_PURPOSE_GENERAL, NULL, 1);

    }

/** How often do we (as a cache) fetch a new V1 runningrouters document? */

#define V1_RUNNINGROUTERS_FETCH_PERIOD (12*60*60)

    time_to_fetch_running_routers = now + V1_RUNNINGROUTERS_FETCH_PERIOD;