modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js

   1 'use strict';
   2 'require view';
   3 'require fs';
   4 'require ui';
   5
   6 return view.extend({
   7         load: function() {
   8                 return Promise.all([
   9                         L.resolveDefault(fs.stat('/sbin/logread'), null),
  10                         L.resolveDefault(fs.stat('/usr/sbin/logread'), null)
  11                 ]).then(function(stat) {
  12                         var logger = stat[0] ? stat[0].path : stat[1] ? stat[1].path : null;
  13
  14                         return fs.exec_direct(logger, [ '-e', '^' ]).catch(function(err) {
  15                                 ui.addNotification(null, E('p', {}, _('Unable to load log data: ' + err.message)));
  16                                 return '';
  17                         });
  18                 });
  19         },
  20
  21         render: function(logdata) {
  22                 var loglines = logdata.trim().split(/\n/);
  23
  24
  25                 var scrollDownButton = E('button', {
  26                                 'id': 'scrollDownButton',
  27                                 'class': 'cbi-button cbi-button-neutral'
  28                         }, _('Scroll to tail', 'scroll to bottom (the tail) of the log file')
  29                 );
  30                 scrollDownButton.addEventListener('click', function() {
  31                         scrollUpButton.focus();
  32                 });
  33
  34                 var scrollUpButton = E('button', {
  35                                 'id' : 'scrollUpButton',
  36                                 'class': 'cbi-button cbi-button-neutral'
  37                         }, _('Scroll to head', 'scroll to top (the head) of the log file')
  38                 );
  39                 scrollUpButton.addEventListener('click', function() {
  40                         scrollDownButton.focus();
  41                 });
  42
  43                 return E([], [
  44                         E('h2', {}, [ _('System Log') ]),
  45                         E('div', { 'id': 'content_syslog' }, [
  46                                 E('div', {'style': 'padding-bottom: 20px'}, [scrollDownButton]),
  47                                 E('textarea', {
  48                                         'id': 'syslog',
  49                                         'style': 'font-size:12px',
  50                                         'readonly': 'readonly',
  51                                         'wrap': 'off',
  52                                         'rows': loglines.length + 1
  53                                 }, [ loglines.join('\n') ]),
  54                                 E('div', {'style': 'padding-bottom: 20px'}, [scrollUpButton])
  55                         ])
  56                 ]);
  57         },
  58
  59         handleSaveApply: null,
  60         handleSave: null,
  61         handleReset: null
  62 });