static new L<Int> startVMLister_hiddenVMs;
static Lock startVMLister_lock = lock();

concept startVMLister_Data {
  long downloaded, uploaded;
}

static void startVMLister() {
  S bot = "VM Lister.";
  if (!hasBot(bot)) {
    makeBot(bot, f startVMLister_answer);
  }
}

static S startVMLister_answer(S s) {
  lock startVMLister_lock;
  
  new Matches m;
  if "started vm * *" {
  
  if "hiding vm *" {
    startVMLister_hiddenVMs.add(parseInt($1));
    ret "OK";
  }
  
  if "register uploaded bytes *" {
    data.uploaded += parseInt($1);
    data.change();
    ret "OK, total: " + data.downloaded + "/" + data.uploaded;
  }
  
  if "get traffic stats|traffic stats"
    ret "Total bytes downloaded/uploaded: " + data.downloaded + "/" + data.uploaded;
    
  null;
}