modules/luci-mod-status/htdocs/luci-static/resources/view/status/include/20_memory.js

   1 'use strict';
   2 'require baseclass';
   3 'require rpc';
   4
   5 var callSystemInfo = rpc.declare({
   6         object: 'system',
   7         method: 'info'
   8 });
   9
  10 function progressbar(value, max, byte) {
  11         var vn = parseInt(value) || 0,
  12             mn = parseInt(max) || 100,
  13             fv = byte ? String.format('%1024.2mB', value) : value,
  14             fm = byte ? String.format('%1024.2mB', max) : max,
  15             pc = Math.floor((100 / mn) * vn);
  16
  17         return E('div', {
  18                 'class': 'cbi-progressbar',
  19                 'title': '%s / %s (%d%%)'.format(fv, fm, pc)
  20         }, E('div', { 'style': 'width:%.2f%%'.format(pc) }));
  21 }
  22
  23 return baseclass.extend({
  24         title: _('Memory'),
  25
  26         load: function() {
  27                 return L.resolveDefault(callSystemInfo(), {});
  28         },
  29
  30         render: function(systeminfo) {
  31                 var mem = L.isObject(systeminfo.memory) ? systeminfo.memory : {},
  32                     swap = L.isObject(systeminfo.swap) ? systeminfo.swap : {};
  33
  34                 var fields = [
  35                         _('Total Available'), (mem.available) ? mem.available : (mem.total && mem.free && mem.buffered) ? mem.free + mem.buffered : null, mem.total,
  36                         _('Used'),            (mem.total && mem.free) ? (mem.total - mem.free) : null, mem.total,
  37                         _('Buffered'),        (mem.total && mem.buffered) ? mem.buffered : null, mem.total
  38                 ];
  39
  40                 if (mem.cached)
  41                         fields.push(_('Cached'), mem.cached, mem.total);
  42
  43                 if (swap.total > 0)
  44                         fields.push(_('Swap free'), swap.free, swap.total);
  45
  46                 var table = E('div', { 'class': 'table' });
  47
  48                 for (var i = 0; i < fields.length; i += 3) {
  49                         table.appendChild(E('div', { 'class': 'tr' }, [
  50                                 E('div', { 'class': 'td left', 'width': '33%' }, [ fields[i] ]),
  51                                 E('div', { 'class': 'td left' }, [
  52                                         (fields[i + 1] != null) ? progressbar(fields[i + 1], fields[i + 2], true) : '?'
  53                                 ])
  54                         ]));
  55                 }
  56
  57                 return table;
  58         }
  59 });