!7

static volatile long updateInterval = 20000;
static volatile long versionCount, lastAutoCheck, lastChange;
static volatile long checks;

p {
  addToMultiPort("Version Count Bot.");
  updateLoop();
}

static void updateLoop() {
  thread "update loop" {
    while (true) {
      checkVersionCount();
      sleep(updateInterval);
    }
  }
}

static synchronized S answer(S s) {
  new Matches m;
  
  if (match3("check now", s))
    checkVersionCount();
    
  if (match3("num checks", s))
    ret String.valueOf(checks);
    
  if (match3("get version count", s))
    return versionCount == 0 ? "hold on, still loading" : format3("version count: *", versionCount);
    
  ret null;
}

static void checkVersionCount() {
  pcall {
    ++checks;
    long newCount = Long.parseLong(loadPageSilently("http://tinybrain.de:8080/tb-int/versioncount.php"));
    lastAutoCheck = now();
    synchronized(main.class) {
      if (newCount != versionCount) {
        versionCount = newCount;
        lastChange = now();
        print("Version count updated to " + versionCount + ".");
      }
    }
  }
}

Began life as a copy of #1001383