Method code for $sys.do_shutdown()

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---

  1: arg time, why;
  2: var increments, line, name, mins, secs;
  3: 
  4: if (!$sys.is_admin(sender()) || definer() != this())
  5:     throw(~perm, "Sender is not an admin.");
  6: increments = [600, 300, 180, 60];
  7: secs = time * 60;
  8: while (increments && secs < increments[1])
  9:     increments = increments.delete(1);
 10: if (increments && secs > increments[1])
 11:     increments = [secs] + increments;
 12: name = sender().namef('xref);
 13: .log("*** SHUTDOWN called by " + name + " ***");
 14: if (why) {
 15:     why = "*** REASON: " + why + " ***";
 16:     .log(why);
 17: }
 18: while (1) {
 19:     if (!increments) {
 20:         $channel_ui._broadcast('All, "*** SYSTEM SHUTDOWN ***");
 21:         if (why)
 22:             $channel_ui._broadcast('All, why);
 23:         break;
 24:     }
 25:     line = "*** SYSTEM SHUTDOWN IN ";
 26:     mins = increments[1] / 60;
 27:     line = line + tostr(mins) + " MINUTE" + (mins == 1 ? "" : "S");
 28:     line = line + " CALLED BY " + name + " ***";
 29:     $channel_ui._broadcast('All, line);
 30:     if (why)
 31:         $channel_ui._broadcast('All, why);
 32:     if (increments.length() > 1)
 33:         $scheduler.sleep(increments[1] - increments[2]);
 34:     else
 35:         $scheduler.sleep(increments[1]);
 36:     increments = increments.delete(1);
 37: }
 38: pause();
 39: pause();
 40: return .shutdown();

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["// Created 26-Mar-1995 as a part of ColdCore, see: @help Credit"]