#!/usr/bin/php -q
<?PHP
/* Copyright 2005-2024, Lime Technology
 * Copyright 2024-2024, Simon Fairweather.
 *
 * 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 = '/usr/local/emhttp';
$varroot = '/var/local/emhttp';
$md5_old = -1;

require_once "$docroot/webGui/include/Helpers.php";
require_once "$docroot/webGui/include/publish.php";
require_once "$docroot/plugins/dynamix.vm.manager/include/libvirt_helpers.php";
global $vmusagestats;
extract(parse_plugin_cfg('dynamix',true));
get_vm_usage_stats();
sleep(1);


// add translations
$_SERVER['REQUEST_URI'] = 'dashboard';
$login_locale = _var($display,'locale');
require_once "$docroot/webGui/include/Translations.php";

// remember current language
$locale_init = $locale;

function update_translation($locale) {
  global $docroot,$language;
  $language = [];
  if ($locale) {
    $text = "$docroot/languages/$locale/translations.txt";
    if (file_exists($text)) {
      $store = "$docroot/languages/$locale/translations.dot";
      if (!file_exists($store)) file_put_contents($store,serialize(parse_lang_file($text)));
      $language = unserialize(file_get_contents($store));
    }
    $text = "$docroot/languages/$locale/dashboard.txt";
    if (file_exists($text)) {
      $store = "$docroot/languages/$locale/dashboard.dot";
      if (!file_exists($store)) file_put_contents($store,serialize(parse_lang_file($text)));
      $language = array_merge($language,unserialize(file_get_contents($store)));
    }
  }
}

$domain_cfgfile = "/boot/config/domain.cfg";
$domain_cfg = parse_ini_file($domain_cfgfile);
if (!isset($domain_cfg['USAGETIMER'])) $timer = 3 ; else $timer = $domain_cfg['USAGETIMER'];

while (true) {

  extract(parse_plugin_cfg('dynamix',true));
  if (_var($display,'locale') != $locale_init) {
    $locale_init = _var($display,'locale');
    update_translation($locale_init);
  }

  get_vm_usage_stats();
  $echo = [];
  $echo = [];
  $echodata = "";
  $running = 0;
  ksort($vmusagestats);
  foreach ($vmusagestats as $vm => $vmdata) {

    if ($vmdata['state'] == 1) {
      $running++;
      $echodata .= "<tr><td>$vm</td>" ;
      $echodata .= "<td class='advanced'><span class='cpug-".$vm."'>".$vmdata['cpuguest']."%</span><div class='usage-disk mm'><span id='cpug-".$vm."' style='width:".$vmdata['cpuguest']."%;'> </span><span></span></div></td>";
      $echodata .= "<td class='advanced'><span class='cpuh-".$vm."'>".$vmdata['cpuhost']."%</span><div class='usage-disk mm'><span id='cpuh-".$vm."' style='width:".$vmdata['cpuhost']."%;'> </span><span></span></div></td><td>";
      $echodata .= my_scale($vmdata['mem']*1024,$unit,null,null,1024)."$unit / ".my_scale($vmdata['curmem']*1024,$unit,null,null,1024)."$unit";
      if ($vmdata['curmem'] === $vmdata['maxmem']) $echodata .= " </td><td>";
      else $echodata .= " / " .my_scale($vmdata['maxmem']*1024,$unit,null,null,1024)."$unit </td><td>";
      $echodata .=  _("Read").": ".my_scale($vmdata['rdrate']/$timer,$unit,null,null,1024)."$unit/s<br>"._("Write").": ".my_scale($vmdata['wrrate']/$timer,$unit,null,null,1024)."$unit/s</td><td>";
      $echodata .=  _("RX").": ".my_scale($vmdata['rxrate']/$timer,$unit,null,null,1024)."$unit/s<br>"._("TX").": ".my_scale($vmdata['txrate']/$timer,$unit,null,null,1024)."$unit/s</td></tr>";
    }
    $echo = $echodata ;
  }
  if ($running < 1) $echo = "<tr><td colspan='7' style='text-align:center;padding-top:12px'>"._('No VMs running')."</td></tr>";
 
  $echo = json_encode($echo);
  $md5_new = md5($echo,true);
  if ($md5_new !== $md5_old) {
    $md5_old = publish('vm_usage',$echo)!==false ? $md5_new : -1;
  }

  sleep($timer);
}
?>