#!/usr/bin/php -q
<?PHP
/* Copyright 2005-2025, Lime Technology
 * Copyright 2012-2025, Bergware International.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version 2,
 * as published by the Free Software Foundation.
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 */
?>
<?
$docroot ??= ($_SERVER['DOCUMENT_ROOT'] ?: '/usr/local/emhttp');

require_once "$docroot/webGui/include/publish.php";

while (true) {
  $output = shell_exec("docker stats --no-stream --format='{{.ID}};{{.CPUPerc}};{{.MemUsage}}' 2>&1");  

  // continually publish and abort if no listeners
  publish("dockerload", $output,1,true);
  if ( $output === null ) {
    // slow down publishing if no containers are running
    sleep(10);
  } else {    
    sleep(1);
  }
}