luci-mod-status: auto-refresh system log and kernel log
[project/luci.git] / modules / luci-mod-status / htdocs / luci-static / resources / view / status / dmesg.js
index acddf454f58c1a50507e4be187f45cee4fd5ea02..45b483962d5f1a4e6b0a2e597de4801fa704a83e 100644 (file)
@@ -1,21 +1,37 @@
 'use strict';
 'require view';
 'require fs';
+'require poll';
 'require ui';
 
 return view.extend({
-       load: function() {
-               return fs.exec_direct('/bin/dmesg', [ '-r' ]).catch(function(err) {
+       retrieveLog: async function() {
+               return fs.exec_direct('/bin/dmesg', [ '-r' ]).then(logdata => {
+                       const loglines = logdata.trim().split(/\n/).map(function(line) {
+                               return line.replace(/^<\d+>/, '');
+                       });
+                       return { value: loglines.join('\n'), rows: loglines.length + 1 };
+               }).catch(function(err) {
                        ui.addNotification(null, E('p', {}, _('Unable to load log data: ' + err.message)));
                        return '';
                });
        },
 
-       render: function(logdata) {
-               var loglines = logdata.trim().split(/\n/).map(function(line) {
-                       return line.replace(/^<\d+>/, '');
-               });
+       pollLog: async function() {
+               const element = document.getElementById('syslog');
+               if (element) {
+                       const log = await this.retrieveLog();
+                       element.value = log.value;
+                       element.rows = log.rows;
+               }
+       },
+
+       load: async function() {
+               poll.add(this.pollLog.bind(this));
+               return await this.retrieveLog();
+       },
 
+       render: function(loglines) {
                var scrollDownButton = E('button', { 
                                'id': 'scrollDownButton',
                                'class': 'cbi-button cbi-button-neutral',
@@ -43,8 +59,8 @@ return view.extend({
                                        'style': 'font-size:12px',
                                        'readonly': 'readonly',
                                        'wrap': 'off',
-                                       'rows': loglines.length + 1
-                               }, [ loglines.join('\n') ]),
+                                       'rows': loglines.rows
+                               }, [ loglines.value ]),
                                E('div', {'style': 'padding-bottom: 20px'}, [scrollUpButton])
                        ])
                ]);