!7

static Map<O, Long> wsToState = weakHashMap();
static int interval = 200;

static File fileToLog() {
  ret getProgramFile(#1013927, "versions.log");
}

p {
  initWebSockets();
  doEvery(interval, f update);
}

html {
  ret htitle_h3("Mech Live Log") + subBot_html_webSocketBasedLogView();
}

svoid update {
  File f = fileToLog();
  long len = fileSize(f);
  
  for (O ws : webSocketManager.webSockets) {
    Long l = wsToState.get(ws);
    if (l == null) wsToState.put(ws, l = 0L);
    if (len > l) {
      S newStuff = loadTextFilePart(f, l, len);
      wsToState.put(ws, len);
      call(ws, 'send, "+" + newStuff);
    }
  }
}